All else equal, when a companys debt ratio rises, its beta falls..pdf
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All else equal, when a company\'s debt ratio rises, its beta falls. True False Solution False: All else equal, when a company\'s debt ratio rises, its beta falls. The firm increasing its debt ratio will have higher beta. Before debt firm is unlevered, as debt get added the firm becomes levered firm. The leverage bring more return to equity with added volatility to equity hence the beta at overall level increases because it represents the systematic risk measure..
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Which of the following organisms are similar to amoeboids in their lo.pdf
Which of the following organisms are similar to amoeboids in their locomotion? Euglena
Flagellates Foraminiferan Paramecia
Solution
Euglena is a protist and it contains a flagellum and moves through it. Flagellates have the
locomotary organs flagella. Paramecia contain cilia all over their body surface. The move
through beating of cilia. Foraminiferans are protozoans that exhibit streaming movements like
amoeba to capture food through granular cytoplasm and the external shells. Option 3 is correct..
Which of the following are true More than one answer may be correct.pdf
Which of the following are true? More than one answer may be correct.
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest.
Mistletoe seedlings germinate in the soil as a response to nearby trees, and use viscin covered
roots to slowly climb trees.
Root parasites find hosts through a reciprocal exchange of chemical signals that diffuse through
the soil.
Parasitism has arisen many times during the evolution of plants.
Mistletoes find their hosts by tracking gases emitted by the host and growing toward them.
Parasitism is an ecological relationship between organisms in which one organism (the parasite)
kills the other (the host).
Parasites exhibit a wide range of dependency on host plants, from the hemiparasites, which are
photosynthetic to the holoparasites, which must obtain all nutrients from host plants.
While parasitism in plants represents an interesting scientific subject, parasitic plants have little
impact on human lives.
Movement of nutrients from host to parasite is achieved by two primary mechanisms:
transpiration and an osmotic gradient.
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest.
Mistletoe seedlings germinate in the soil as a response to nearby trees, and use viscin covered
roots to slowly climb trees.
Root parasites find hosts through a reciprocal exchange of chemical signals that diffuse through
the soil.
Parasitism has arisen many times during the evolution of plants.
Mistletoes find their hosts by tracking gases emitted by the host and growing toward them.
Parasitism is an ecological relationship between organisms in which one organism (the parasite)
kills the other (the host).
Parasites exhibit a wide range of dependency on host plants, from the hemiparasites, which are
photosynthetic to the holoparasites, which must obtain all nutrients from host plants.
While parasitism in plants represents an interesting scientific subject, parasitic plants have little
impact on human lives.
Movement of nutrients from host to parasite is achieved by two primary mechanisms:
transpiration and an osmotic gradient.
Solution
True
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
False
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest-Native of Africa
.
What was the Noble Prize winning advance that saved the magnetic rec.pdf
What was the Noble Prize winning advance that saved the magnetic recording industry and led to
major advances in the personal music device industry?
Solution
In 1887, Heinrich Hertz discovered that electrodes illuminated with ultraviolet light create
electric sparks more easily. In 1905 Albert Einstein published a paper that explained
experimental data from the photoelectric effect as the result of light energy being carried in
discrete quantized packets. This discovery led to the quantum revolution. In 1914, Robert
Millikan\'s experiment confirmed Einstein\'s law on photoelectric effect. Einstein was awarded
the Nobel Prize in 1921 for \"his discovery of the law of the photoelectric effect\",and Millikan
was awarded the Nobel Prize in 1923 for \"his work on the elementary charge of electricity and
on the photoelectric effect\".
In magnetic tape recording, the sound waves vibrate the microphone diaphragm and are
converted into a varying electric current, which is then converted to a varying magnetic field by
an electromagnet, which makes a representation of the sound as magnetized areas on a plastic
tape with a magnetic coating on it. Analog sound reproduction is the reverse process, with a
bigger loudspeaker diaphragm causing changes to atmospheric pressure to form acoustic sound
waves. Electronically generated sound waves may also be recorded directly from devices such as
an electric guitar pickup or a synthesizer, without the use of acoustics in the recording process
other than the need for musicians to hear how well they are playing during recording sessions..
What is difference between the Tariff and tax SolutionDifferen.pdf
What is difference between the Tariff and tax
Solution
Difference between Tax and Tariff:-
Tax is a compulsory payment made by an individual, household or a firm to the government
without reference to anything in return. In other words, Tax is a legally compulsory payment
imposed on the people by the government.
Tariff is a tax imposed on imported goods and services. They are to increase the price of
imported goods and services and thereby restrict the trade.
Conclusion:-Taxes are collected internally whereas Tariffs are collected on import of goods and
services..
What are the most likely point in nutrient media preparation or later.pdf
What are the most likely point in nutrient media preparation or later at which contamination may
be introduced? What signs would indicate contamination? What is the source of the following
elements in nutrient media prepared? (See Medium Recipes pg.20 of Microbiology Laboratory
Theory & Applications) Carbon? Nitrogen? What are the two types of nutrient media prepared
in BIQL3200L?
Solution
Most likely points of contamination introduction in nutrient media
Signs of contamination.
Since the media contents are not provided in the question , I will give you the general sources.
Sources of Carbon is the Glucose, glycerol, tryptone soy, casein soy digest, beef extract, potato
dextrose…etc
Sources of Nitrogen is Yeast extract, NH4Cl, Beef extract..etc.
Toss a fair coin three times. Let X denote the number of heads in fi.pdf
Toss a fair coin three times. Let X denote the number of heads in first two tosses and Y denote
the number of heads in last two tosses. Calculate E(X), E(Y).
Solution
Tossing a fair coin three times is then the outcomes are
{(H,H,H),(H,H,T),(H,T,H),(H,T,T),(T,H,T),(T,H,H,),(T,T,H),(T,T,T)}. Here X denote the
number of heads in first two tosses are 2 and Y denote the number of heads in last two tosses are
2. E(X)=2/8=.25, E(Y)=2/8=.25..
TIA-569 lists six different areas or spaces where cabling is run. Li.pdf
TIA-569 lists six different areas or spaces where cabling is run. List these and briefly define each
one.
Solution
Structured cabling falls into six subsystems:
TIA-569
The purpose of this Standard is to standardize specific pathway and space design and
construction practices in support of telecommunications media and equipment within
buildings.Its scope is limited to telecommunications aspect of building design but influences
design of other building services also (i.e. HVAC, electrical power, etc).
Define requirements for key spaces :
Building Spaces:
Access & Service Provider Spaces:
Building Pathways:
Multitenant Building Spaces:
For more detailed but brief information refer this link:
https://www.bicsi.org/uploadedFiles/BICSI_Website/Global_Community/Presentations/Caribbea
n/TIA-569UpdateOverview.pdf.
This is a c++ binary search program I worked so far but still cant g.pdf
This is a c++ binary search program I worked so far but still cant get it right.
Can anyone help me? Big thanks!!
the client should not be modified
/*
*File: client.cpp
*Author: Yingwu Zhu
*Warning: do not change this file and use it as is.
*Last Modififcation: 10/21/2016
*/
#include
#include
#include
#include
#include
#include \"bst.h\"
using namespace std;
int main(int argc, char* argv[]) {
if (argc != 2) {
cout << \"Format: \" << argv[0] << \" [data file]\" << endl;
return 0;
}
ifstream fin(argv[1]);
int cases;
fin >> cases;
int passed = 0;
for (int i = 1; i <= cases; i++) {
cout << \"Checking test case #\" << i << \" ... \";
BST T;
set S;
int n, x;
fin >> n;
bool ok = true;
vector tmp;
int rem = 0;
for (int j = 0; j < n; j++) {
fin >> x;
T.Insert(x);
S.insert(x);
ok &= (T.Search(x) && T.RecurSearch(x));
if (tmp.empty())
tmp.push_back(x);
if (rand()%10 < 3) {
T.Erase(tmp[0]);
S.erase(tmp[0]);
ok &= (T.Search(tmp[0]) == false);
tmp.pop_back();
rem++;
}
}
if (rem
ok &= (T.MaxElement() == *S.rbegin());
while (!S.empty() && !T.Empty()) {
int x = T.MinElement();
ok &= (x == *S.begin());
T.Erase(x);
S.erase(S.begin());
}
cout << (ok ? \"Passed!\" : \"Failed\") << endl;
passed += ok;
}
cout << passed << \" of \" << cases << \" test cases have passed!\ \";
if (passed == cases)
cout << endl << \"Congratulations! Good to Submit Your Code\ \";
else if ((double)passed/cases >= 0.95)
cout << endl << \"You are almost there, but need to fix some bugs.\ \";
else
cout << endl << \"Your code needs a lot of fixes for submission\ \";
return 0;
}
=====================================================================
=======
//bst.h
#ifndef _BST_H_
#define _BST_H_
#include
using namespace std;
class BST {
private:
class Node {
public:
int data;
Node* left;
Node* right;
};
Node* root; //root node pointer
//you may add your auxiliary functions here!
public:
BST(); //constructor
~BST(); //destructor
bool Empty() const;
void Insert(int val);
int MinElement() const;
int MaxElement() const;
bool Search(int val) const;
bool RecurSearch(int val) const;
void Erase(int val);
};
#endif
=====================================================================
=======
/*
bst.cpp
Subject: Binary Seach Tree
Modification Time:10/26/2016
*/
#include
#include\"bst.h\"
using namespace std;
BST::BST(){
root= NULL;
}
BST::~BST(){
delete root;
delete root->left;
delete root->right;
}
bool BST::Empty() const {
return data;
}
void BST::Insert(int val){
Node* p= new Node;
p->data= val;
Node* cur = root;
if(val < cur->data){
cur = cur -> left;
}
else{
right->next=val;
}
}
int BST::MinElement() const {
Node* cur;
while(cur->left != NULL){
cur = cur->left;
}
return(cur->data);
}
int BST::MaxElement() const{
if(root==NULL){
return 0;
}
if(root->left>root->data){
root->data=root->right;
}
else if(root->right>root->data){
root->data=root->right;
}
return root->data;
}
bool BST:: Search(int val) const{
Node* cur;
cur = root;
while(cur!=NULL){
if(cur->data == val){
return true;
}
else if(cur->data .
Recommended
Which of the following organisms are similar to amoeboids in their lo.pdf
Which of the following organisms are similar to amoeboids in their locomotion? Euglena
Flagellates Foraminiferan Paramecia
Solution
Euglena is a protist and it contains a flagellum and moves through it. Flagellates have the
locomotary organs flagella. Paramecia contain cilia all over their body surface. The move
through beating of cilia. Foraminiferans are protozoans that exhibit streaming movements like
amoeba to capture food through granular cytoplasm and the external shells. Option 3 is correct..
Which of the following are true More than one answer may be correct.pdf
Which of the following are true? More than one answer may be correct.
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest.
Mistletoe seedlings germinate in the soil as a response to nearby trees, and use viscin covered
roots to slowly climb trees.
Root parasites find hosts through a reciprocal exchange of chemical signals that diffuse through
the soil.
Parasitism has arisen many times during the evolution of plants.
Mistletoes find their hosts by tracking gases emitted by the host and growing toward them.
Parasitism is an ecological relationship between organisms in which one organism (the parasite)
kills the other (the host).
Parasites exhibit a wide range of dependency on host plants, from the hemiparasites, which are
photosynthetic to the holoparasites, which must obtain all nutrients from host plants.
While parasitism in plants represents an interesting scientific subject, parasitic plants have little
impact on human lives.
Movement of nutrients from host to parasite is achieved by two primary mechanisms:
transpiration and an osmotic gradient.
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest.
Mistletoe seedlings germinate in the soil as a response to nearby trees, and use viscin covered
roots to slowly climb trees.
Root parasites find hosts through a reciprocal exchange of chemical signals that diffuse through
the soil.
Parasitism has arisen many times during the evolution of plants.
Mistletoes find their hosts by tracking gases emitted by the host and growing toward them.
Parasitism is an ecological relationship between organisms in which one organism (the parasite)
kills the other (the host).
Parasites exhibit a wide range of dependency on host plants, from the hemiparasites, which are
photosynthetic to the holoparasites, which must obtain all nutrients from host plants.
While parasitism in plants represents an interesting scientific subject, parasitic plants have little
impact on human lives.
Movement of nutrients from host to parasite is achieved by two primary mechanisms:
transpiration and an osmotic gradient.
Solution
True
Flowers of Rhizanthes infanticida resemble rotting meat in both smell and appearance to attract
their primary pollinator, the blowfly.
False
Hydnora triceps, a parasitic plant of the Democratic Republic of the Congo, catches small
insects, birds, mammals, and amphibiams in its pitcher shaped flower, high up in the camopy of
the rainforest-Native of Africa
.
What was the Noble Prize winning advance that saved the magnetic rec.pdf
What was the Noble Prize winning advance that saved the magnetic recording industry and led to
major advances in the personal music device industry?
Solution
In 1887, Heinrich Hertz discovered that electrodes illuminated with ultraviolet light create
electric sparks more easily. In 1905 Albert Einstein published a paper that explained
experimental data from the photoelectric effect as the result of light energy being carried in
discrete quantized packets. This discovery led to the quantum revolution. In 1914, Robert
Millikan\'s experiment confirmed Einstein\'s law on photoelectric effect. Einstein was awarded
the Nobel Prize in 1921 for \"his discovery of the law of the photoelectric effect\",and Millikan
was awarded the Nobel Prize in 1923 for \"his work on the elementary charge of electricity and
on the photoelectric effect\".
In magnetic tape recording, the sound waves vibrate the microphone diaphragm and are
converted into a varying electric current, which is then converted to a varying magnetic field by
an electromagnet, which makes a representation of the sound as magnetized areas on a plastic
tape with a magnetic coating on it. Analog sound reproduction is the reverse process, with a
bigger loudspeaker diaphragm causing changes to atmospheric pressure to form acoustic sound
waves. Electronically generated sound waves may also be recorded directly from devices such as
an electric guitar pickup or a synthesizer, without the use of acoustics in the recording process
other than the need for musicians to hear how well they are playing during recording sessions..
What is difference between the Tariff and tax SolutionDifferen.pdf
What is difference between the Tariff and tax
Solution
Difference between Tax and Tariff:-
Tax is a compulsory payment made by an individual, household or a firm to the government
without reference to anything in return. In other words, Tax is a legally compulsory payment
imposed on the people by the government.
Tariff is a tax imposed on imported goods and services. They are to increase the price of
imported goods and services and thereby restrict the trade.
Conclusion:-Taxes are collected internally whereas Tariffs are collected on import of goods and
services..
What are the most likely point in nutrient media preparation or later.pdf
What are the most likely point in nutrient media preparation or later at which contamination may
be introduced? What signs would indicate contamination? What is the source of the following
elements in nutrient media prepared? (See Medium Recipes pg.20 of Microbiology Laboratory
Theory & Applications) Carbon? Nitrogen? What are the two types of nutrient media prepared
in BIQL3200L?
Solution
Most likely points of contamination introduction in nutrient media
Signs of contamination.
Since the media contents are not provided in the question , I will give you the general sources.
Sources of Carbon is the Glucose, glycerol, tryptone soy, casein soy digest, beef extract, potato
dextrose…etc
Sources of Nitrogen is Yeast extract, NH4Cl, Beef extract..etc.
Toss a fair coin three times. Let X denote the number of heads in fi.pdf
Toss a fair coin three times. Let X denote the number of heads in first two tosses and Y denote
the number of heads in last two tosses. Calculate E(X), E(Y).
Solution
Tossing a fair coin three times is then the outcomes are
{(H,H,H),(H,H,T),(H,T,H),(H,T,T),(T,H,T),(T,H,H,),(T,T,H),(T,T,T)}. Here X denote the
number of heads in first two tosses are 2 and Y denote the number of heads in last two tosses are
2. E(X)=2/8=.25, E(Y)=2/8=.25..
TIA-569 lists six different areas or spaces where cabling is run. Li.pdf
TIA-569 lists six different areas or spaces where cabling is run. List these and briefly define each
one.
Solution
Structured cabling falls into six subsystems:
TIA-569
The purpose of this Standard is to standardize specific pathway and space design and
construction practices in support of telecommunications media and equipment within
buildings.Its scope is limited to telecommunications aspect of building design but influences
design of other building services also (i.e. HVAC, electrical power, etc).
Define requirements for key spaces :
Building Spaces:
Access & Service Provider Spaces:
Building Pathways:
Multitenant Building Spaces:
For more detailed but brief information refer this link:
https://www.bicsi.org/uploadedFiles/BICSI_Website/Global_Community/Presentations/Caribbea
n/TIA-569UpdateOverview.pdf.
This is a c++ binary search program I worked so far but still cant g.pdf
This is a c++ binary search program I worked so far but still cant get it right.
Can anyone help me? Big thanks!!
the client should not be modified
/*
*File: client.cpp
*Author: Yingwu Zhu
*Warning: do not change this file and use it as is.
*Last Modififcation: 10/21/2016
*/
#include
#include
#include
#include
#include
#include \"bst.h\"
using namespace std;
int main(int argc, char* argv[]) {
if (argc != 2) {
cout << \"Format: \" << argv[0] << \" [data file]\" << endl;
return 0;
}
ifstream fin(argv[1]);
int cases;
fin >> cases;
int passed = 0;
for (int i = 1; i <= cases; i++) {
cout << \"Checking test case #\" << i << \" ... \";
BST T;
set S;
int n, x;
fin >> n;
bool ok = true;
vector tmp;
int rem = 0;
for (int j = 0; j < n; j++) {
fin >> x;
T.Insert(x);
S.insert(x);
ok &= (T.Search(x) && T.RecurSearch(x));
if (tmp.empty())
tmp.push_back(x);
if (rand()%10 < 3) {
T.Erase(tmp[0]);
S.erase(tmp[0]);
ok &= (T.Search(tmp[0]) == false);
tmp.pop_back();
rem++;
}
}
if (rem
ok &= (T.MaxElement() == *S.rbegin());
while (!S.empty() && !T.Empty()) {
int x = T.MinElement();
ok &= (x == *S.begin());
T.Erase(x);
S.erase(S.begin());
}
cout << (ok ? \"Passed!\" : \"Failed\") << endl;
passed += ok;
}
cout << passed << \" of \" << cases << \" test cases have passed!\ \";
if (passed == cases)
cout << endl << \"Congratulations! Good to Submit Your Code\ \";
else if ((double)passed/cases >= 0.95)
cout << endl << \"You are almost there, but need to fix some bugs.\ \";
else
cout << endl << \"Your code needs a lot of fixes for submission\ \";
return 0;
}
=====================================================================
=======
//bst.h
#ifndef _BST_H_
#define _BST_H_
#include
using namespace std;
class BST {
private:
class Node {
public:
int data;
Node* left;
Node* right;
};
Node* root; //root node pointer
//you may add your auxiliary functions here!
public:
BST(); //constructor
~BST(); //destructor
bool Empty() const;
void Insert(int val);
int MinElement() const;
int MaxElement() const;
bool Search(int val) const;
bool RecurSearch(int val) const;
void Erase(int val);
};
#endif
=====================================================================
=======
/*
bst.cpp
Subject: Binary Seach Tree
Modification Time:10/26/2016
*/
#include
#include\"bst.h\"
using namespace std;
BST::BST(){
root= NULL;
}
BST::~BST(){
delete root;
delete root->left;
delete root->right;
}
bool BST::Empty() const {
return data;
}
void BST::Insert(int val){
Node* p= new Node;
p->data= val;
Node* cur = root;
if(val < cur->data){
cur = cur -> left;
}
else{
right->next=val;
}
}
int BST::MinElement() const {
Node* cur;
while(cur->left != NULL){
cur = cur->left;
}
return(cur->data);
}
int BST::MaxElement() const{
if(root==NULL){
return 0;
}
if(root->left>root->data){
root->data=root->right;
}
else if(root->right>root->data){
root->data=root->right;
}
return root->data;
}
bool BST:: Search(int val) const{
Node* cur;
cur = root;
while(cur!=NULL){
if(cur->data == val){
return true;
}
else if(cur->data .
There are two large plants in the authors’ yard a yucca tree and an.pdf
There are two large plants in the authors’ yard: a yucca tree and an enormous prickly pear cactus.
Both have rough, scaly bark, but it is known that these plants are not closely related. (a) What are
two different explanations for the similarity of the bark? (b) It is also known that yuccas are
descended from a grass species instead of a tree species. Which of the two explanations given in
part a is consistent with this fact?
Solution
A) Two different explanations for the similarity in bark
i) yucca plants adapt to the environment that they live in. Depending on the type of environment,
the yucca plants develop fleshy thick leaves for deserts. They also adapt to the mountains,
coastal sands, grasslands and prairies.
ii) there are some yuccas which are also common to the southwest desert scene. They have
similar characteristics like the traditional cactus. There is a high chance that the yucca present in
the author\'s yard is a desert origin yucca, thus a similarity in the bark.
Yucca filamentosa , which is the grass species of yucca is more found in the desert environment
than the other species of yucca. The second explanation for the similarity in bark is more
consistent in this case with the variation in species ..
The seaport town of New Monopoly has become extremely popular with sh.pdf
The seaport town of New Monopoly has become extremely popular with shipping companies
due to its superior location. The port has become so congested that ships must wait hours every
day just to dock. This is an example of The major of New Monopoly realizes that the congestion
at the port costs the shipping companies and its town money. Which decision would NOT move
him towards a command economy?
Solution
ans 1
b) private good
as por is congested so it is rival and exclusive in use that\'s why port is private good
ans 2
b) The mayor decides to let individual firms and consumers find a solution for the excessive wait
time.
this decision would not move him towards a command economy because this means giving
individual firms and consumers power to decide about solution themselves which means mayor
is not using his dominating power of command economy.
The figure below shows a series of SNP loci (A-O) loci for two strai.pdf
The figure below shows a series of SNP loci (A-O) loci for two strains of mice (Houston in blue,
Dallas in red).Which locus would not be useful in mapping novel mutations?
G
H
I
J
K A A BBC C D D E E F F G G H H I I J J K K M M N N O O
Solution
Ans: In the above gel pictureloci for two strains of mice (Houston in blue, Dallas in red) is given.
Among the loci A-O, K locus is not useful in mapping novel mutations..
The climatic stability hypothesis for the change in biodiversity with.pdf
The climatic stability hypothesis for the change in biodiversity with latitude states that: more
stable climates will lead to lower biodiversity due to broad niches for individual species less
stable climates leads to lower biodiversity due to the inability of many species to adapt to
climatic variation more stable climates in the tropics provide greater solar energy to support
biodiversity more stable climates in the tropics in greater rates of thereby enhancing
biodiversity.
Solution
Less stable climate leads to lower biodiversity due to the inability of many species to adapt to
climatic variation..
Table 14.2 Primitive and Advanced Features of Nonvascular Plants as T.pdf
Table 14.2 Primitive and Advanced Features of Nonvascular Plants as They Relate to Adaptat o
Land features ACdeanced features Table 14.3 Primitive and Advanced Features of Seedless
Vascula Plants as They Relate to Ada ation to Land Table 14.4-Structures and Functions of the
Nonvascular Plants and Seedless Vascular Plants function Sporophyte/Gametophyte Example
structure Archegonium
Solution
primitive and advanced features of non vascular plants for land adaptation.
Primitive features:
1. Lack of proper vascular tissue .
2. gametpohyte is being dominant phase of life cycle.
3.sporophyte is dependent on the gametophyte.
Advanced features:
1.Development of cuticle to avoid water loss through transpiration.
2. Sporophyte being erect.
3. Development of multicellular gametangia and complex embryonic development.
primitive and advanced features of vascular plants for land adaptation.
Primitive features:
1.Gametophyte is small , independent, lacks vascular tissue,cuticle,photosynthetic, found in
moist shady habitats ,dispersal by spores.
2. sperms are motile and require water for fertilization .
advanced features.:
1. Well developed photosynthetic sporophyte representing dominant phase of the life cycle.
2.plant well differentiated into aerial stem, leaves and underground roots.
3.Sporophyte has waxy cuticle , stomata and bears leaves or fronds as in ferns.
4.Development of vigorous rhizome for vegetative propagation..
Solar energy is channeled by molecular vibration from... to the ..pdf
Solar energy is channeled by molecular vibration from... to the .... of photo system 2 and 1.
Solar energy is channeled by molecular vibration from... to the .... of photo system 2 and 1.
Solution
Solar energy is channeled by molecar vibrations from p680 by splitting the water into electrons
and H+ ions and to the p700 of photo system 2 and 1..
report “Rabbits and Wolves”Discuss the changes in parameters and how.pdf
report “Rabbits and Wolves”Discuss the changes in parameters and how they affected the
population growth curves for each organism (be sure to mention particular changes in the graphs
and ending populations). Think about how this simulation could apply to the real world. What
other factors or variables would have to be included. What if humans were added as a fourth
organism, how would they affect this simulation? Also, do you think that a computer model is a
useful tool to science? More precisely do you think there are times when such a model is useful
and when such a model is not useful? Be sure to start your discussion with a statement of
objectives - I have listed objectives above, write and state if you think you obtained the
objectives and explain why or why not. There is absolutely no penalty for thinking that you
didn\'t complete one of the objectives.
Solution
Ans.) To understand the different models that are used to represent population dynamics, first
understand the general equation for the population growth rate (it is the change in number of
individuals in a population over time):
dT/dN=rN
In this equation, T = growth rate of the population
NNN = population size
TTT = time
rrr = per capita rate of increase (that is, how quickly the population grows per individual already
in the population).
The equation above is very general, and we can make more specific forms of it to describe two
different kinds of growth models: exponential and logistic.
A positive growth rate implies that the population is increasing, whereas a negative growth rate
shows that the population is reducing. A growth ratio of zero indicates that there is a balance i.e.
that there were the same number of organisms at the beginning and end of the particular time
period. Sometimes, growth rate may be zero even when there are significant changes in the birth
rates, death rates, immigration rates and age distribution between the two times period.
Situation which includes exponential development, different age-independent density variable
influencing survival, three influencing fertility. The one function meeting the presumptions of
the calculated model delivered a strategic development bend typifying the right values or rm and
K. The others created sigmoid bends to which self-assertive strategic bends could be fitted with
differing achievement. In view of population time slacks, two of the capacities influencing
fruitfulness created overshoots and damped motions amid the underlying way to deal with the
enduring state.
The other factors or variables would have been included in the given situation would be the
climate condition.
In my opinion computer model is a useful and informative tool in analyzing the population
growth curves of any organism. In most of the cases, the computer model for population growth
studies is logical..
prove thisSolutionSuppose that A is a product of element.pdf
prove this
Solution
Suppose that A is a product of elementary matrices E1,...,En. Then the inverses of elementary
matrices ,the matrices E1,...,En are invertible. By the first theorem about inverses the product of
invertible matrices is an invertible matrix. So A is an invertible matrix as A is the product of
elementry matrices..
Our task this week is to diagnose patients who come in with various .pdf
Our task this week is to diagnose patients who come in with various symptoms.
We\'ll use the following random variables:
F: The patient has the flu
S: The patient has strep
V: The patient has a fever
T: The patient has a sore throat
C: The patient has a cough
The flu may cause a fever and/or a cough.
Strep may cause a sore throat and/or a fever.
Question 1: Using the following Bayes network as our model, which of the following statements
are true and explain why?T C | V ?
Solution
Since the statements
The following conditions are true.
T V | S
T C | S
S F | V.
number of lines should be included in the last page of the paper aft.pdf
number of lines should be included in the last page of the paper after References.
Assessment- Marks will be awarded for compliance with format specifications, organization and
use of proper section headings and content.
Warning- While you are free to source and use materials from the Internet, you must not copy
these works verbatim. In addition you must not copy your classmate\'s work. The penalty for
copying for the offender and the author of the copied work is severe. Protect your paper from
plagiarism . Investigate modern Digital Satellite Communications Systems. Satellite
communication systems are used to relay radio transmissions between earth terminals. A typical
operational link involves an active satellite and two or more earth terminals. One station
transmits to the satellite on a frequency called the UP-LINK frequency. The Saellite then
amplifies the signal, converts it to the DOWN-LINK frequency, and transmits it back to earth.
Your paper titled Digital Satellite Communication Systems should conform to the specifications
and format gixen below Specifications and Format: Reference Report Size Paper Font
CSC422/2015-16 Not less than 3500 words and not more than 4000 A4 Times New Roman,
(Title: Size 14, Heading: Size 13, Sub heading: Size 12, Text: Size 9) Heading Frt Single
Column Center Justification Title on a new Line Name on a new line Address on a new line
Reference on a new line Double Column, ruil Justitication Left2o5m. Right2.5cm. Top 2.5cm
and Bottom 2.5cm Single Page Format Page Margin Line Spacing A sample of the heading is
shown below Digital Satellite Communication Systems by Kaxade Adeleke Matriculation
Number 120805012) Department ofCompuer Sciences Uhiversity of Lagas (Ref CSC422/2014-
15) Your paper should have the following headings: Abstract, Introduction, Other Sections,
Conclusion, References and Document Statistics. Do not use a separate page for your title. The
coverage of the topic with well thought sections carries the bulk of awarded marks. Therefore,
organize your sections carefully for maximum coverage of topic and good effect Document
statistics - Word count, number of pages, number of paragraphs and
Solution
ANSWER-A communicaton satellite is an artificial satellite that relays and amplifies radio
telecommunications signals via a transponder; it creates acommunication channel between a
source transmitter and a receiver at different locations on Earth. Communications satellites are
used for television, telephone, radio, internet, and military applications. There are over 2,000
communications satellites in Earth’s orbit, used by both private and government
organizationsWireless communication uses electromagnetic waves to carry signals. These waves
require line-of-sight, and are thus obstructed by the curvature of the Earth. The purpose of
communications satellites is to relay the signal around the curve of the Earth allowing
communication between widely separated points.[2] Communications satellites use .
Modify the code below so that two separate listener classes are used .pdf
Modify the code below so that two separate listener classes are used - one for each of the two
buttons. public class LettRight Panel extends JPanel {private JButton left, right; private JLabel
label; public LeftRightPanel () {left = new JButton (\"Left\"); right = new JButton (\"Right\");
label = new JLabel(\"Left/Right\"); ButtonListener listener = new ButtonListener();
left.addActionListener (listener); right.addActionLiatener (listener); add (left); add (right); add
(label);} private class ButtonListener implements ActionListener public void actionPerformed
(ActionEvent event) {if (event.getSource() == left) label.setText(\"Left\"); else
label.setText(\"Right\");}}}
Solution
Hi,
I have modifief the code and highlighted the code changes below.
LeftRightPanel.java
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class LeftRightPanel extends JPanel{
private JButton left, right;
private JLabel label;
public LeftRightPanel(){
left = new JButton(\"Left\");
right = new JButton(\"Right\");
label = new JLabel(\"Left/Right\");
LeftButtonListener leftListener = new LeftButtonListener();
RightButtonListener rightListener = new RightButtonListener();
left.addActionListener(leftListener);
right.addActionListener(rightListener);
add(left);
add(right);
add(label);
}
private class LeftButtonListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
label.setText(\"Left\");
}
}
private class RightButtonListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
label.setText(\"Right\");
}
}
}.
Lie detector tests are notoriously flawed. Assume that a particular .pdf
Lie detector tests are notoriously flawed. Assume that a particular test gives false positives with
probability 0.2 and false negatives with probability 0.1. In a large workforce assume that 15
percentage of applicants lie. What is the probability that if the lie detector test says a random
applicant lies that the applicant really is lying.
Solution.
Imagine you have 3 identical siblings. You are all from the same pare.pdf
Imagine you have 3 identical siblings. You are all from the same parents (e.g. mom and dad are
the same for everyone). Because you are more related to yourself (r = 1) than you are to your
siblings (r = 0.5), you should do your best to outcompete your siblings for food. Select one:
True False
Solution
True
They are siblings, that happen to be so much alike you genotypically. this behaviour is called
Sibling rivalry is a type of competition or animosity among brothers and sisters..
Implement a queue using a linkedlist (java)SolutionLinkedQueue.pdf
Implement a queue using a linkedlist (java)
Solution
LinkedQueueImplement.java
import java.util.*;
class Node
{
protected int data;
protected Node link;
public Node()
{
link = null;
data = 0;
}
public Node(int d,Node n)
{
data = d;
link = n;
}
public void setLink(Node n)
{
link = n;
}
public void setData(int d)
{
data = d;
}
public Node getLink()
{
return link;
}
public int getData()
{
return data;
}
}
class linkedQueue
{
protected Node front, rear;
public int size;
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
public boolean isEmpty()
{
return front == null;
}
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 :
try
{
System.out.println(\"Peek Element = \"+ lq.peek());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 4 :
System.out.println(\"Empty status = \"+ lq.isEmpty());
break;
case 5 :
System.out.println(\"Size = \"+ lq.getSize());
break;
default :
System.out.println(\"Wrong Entry \ \");
break;
}
/* display queue */
lq.display();
System.out.println(\"\ Do you want to continue (Type y or n) \ \");
ch = scan.next().charAt(0);
} while (ch == \'Y\'|| ch == \'y\');
}
}
Output :
Linked Queue Test
Queue Operations
1. inse.
I need help making a recursive Koch snowflake. Im using python. I ne.pdf
I need help making a recursive Koch snowflake. Im using python. I needed to make a snowflake
that uses 6 recursions. I did that part, the part Im having trouble with is coloring each of
recursions a different color. here is what I have so far.
//-------------koch snowflake
void setup() {
size(600, 600);
background(255);
stroke(0);
//frameRate(1);
//colorMode(HSB, 8, 100, 100);
}
int i = 1;
void draw() {
Koch(width/2, height/2, width*0.7, i);
}
void Koch(float X, float Y, float D, int order) {
colorMode(HSB, 8, 100, 100);
fill(0, 128/order, 128);
pushMatrix();
translate(X, Y);
translate(-D/2, D/3*sin(PI/3));
Koch(D, order);
translate(D, 0);
rotate(-2*PI/3);
Koch(D, order);
translate(D, 0);
rotate(-2*PI/3);
Koch(D, order);
popMatrix();
}
void Koch(float X, int order) {
if (order == 1) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 2) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 3) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 4) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
else {
order = order - 1;
beginShape();
vertex(0, 0);
vertex(X/3, 0);
vertex(X/2, X/3*sin(PI/3));
vertex(2*X/3, 0);
vertex(X, 0);
endShape();
}
}
Solution
Try to implement in.
First, describe what a force is and what effects forces have on obje.pdf
First, describe what a force is and what effects forces have on objects. Provide one or two
examples of forces operating at a macroscopic scale to help you form analogies to describe
atomic phenomena. Then describe the forces involved in holding matter together at the atomic
level. Describe what would happen if various atomic forces disappeared? Also, provide a
description of some of the forces between atoms that result in molecules and larger collections of
atoms, and how these forces are important
Solution
Force changes the state of motion and state of rest , Force is a push or pull which creats
acceleration , forces changes direction of the objects moving . force change shape of the objects,
force is the capacity to do work.
Forces work at the macroscopic level prmarly is gravity which is responsible for the whole mass
in the universe to stay in tact with out getting fly away , the same gravity makes stars , solar
systems and helps the formation of planets.
The fource basic forces of nature are , Gravity , Electromagnetic , strong nuclear forces and weak
nuclear forces, out of which gravitational forces works at macroscopic scale and rest of the
threee works in microscopic scale on matter.
Electromagnetic force is responsible for holding all the atoms in molecules to gether ,and also
the same force behind all the chemical reactions. the stong nuclear and weak nuclear forces are
the backbone behind the binding of nucleons in nucleus.
Strong and weak nuclear force play key role in the formation of heavy nucleus from individual
protons, electromagnetic forces are responsible for the formation of atoms , with out either stong
nuclear and EM force atoms may not exist in our universe , and gravity plays the leed role for the
formation of stars where the systhesis of all the nucleus takes places, with out gravity the
universe may left with individual protons and electrons .
The residual attractive or repulsive forces between atoms, molecules, and surfaces, as well as
other intermolecular forces are called vander waals forces, which arise due to electromagnetic
fields, van der Waals forces are weaker than normal covalent ionic bonds which are short-range
forces and should be considered only if the molecules are closer , these forces are important in
the formation of macrosizd molecules in the formation fo liquids and protein stuctures and DNA..
Drag each label to the cell type it describes. Produce proteins and l.pdf
Drag each label to the cell type it describes. Produce proteins and lipids associated with
Receptors for touch water-proofing of the skin Phagocytes that Produce proteins ingest
pathogens of that shield nuclei the epidermis from UV light Produced by undifferentiated stem
cells in the Langerhans cells stratum basale The most common Cells associated cell type in the
with nervous epidermis system function These cells have increased Cells of the production rates
of lymphatic system skinned individuals Produce eumelanin Merkel cells and pheomelanin Reset
Keratinocytes Tactile cells Melanocytes Dendritic cells
Solution
Keratinocytes:
Produce proteins and lipids associated with waterproofing of cells, Most common cell type in the
epidermis
Tactile cells:
Receptors for touch, Cells associated with nervous system function, Merkel cells
Melanocytes:
Produce proteins that sheild nuclei from UV light, Produced by undifferentiated stem cells in the
stratum basale, These cells have increased rates of pigment in darker skinned individuals,
Produce eumelanin and pheomelanin
Dendritic cells:
Phagocytes the ingests pathogens of the epidermis, Langerhans cells, Cells of the lymphatic
system.
Discuss the role of proteins in membrane structure and transport of .pdf
Discuss the role of proteins in membrane structure and transport of molecules across the
membrane? (AP Biology II Free Response Question)
Solution
These three macromolecules together to form a complex phospholipid bilayer in which
periplasmic proteins are distributed in a mosaic manner. The large fluid mosaic structure is
formed from these macromolecules composed of phospholipid bilayers with protein channels for
the transport of organic & inorganic nutrients including trace metal. Normally, the essential
aspects of these structures composed of \"porins, protein channels, integral proteins” that dictate
their function for the selective permeability, diffusion of nutrients across the membrane into &
out of the cell finally to attain homeostasis
Membrane phospholipids are the molecules with hydrophillic polar heads towards the solvent
such as water whereas hydrophobic tail located towards the center of the layer and this bilayer
formed by micelles, as fatty acids possess one polar associated with another nonpolar head.
Biological lipid bilayers are composed of phospholipids to form spontaneously into bilayers
because the hydrophobic tails, which associate as \"amphiphilic phospholipids\" with hydrophilic
phosphate head. Cell membrane possesses a property known as selective permeability. Cell
membrane consists of phopholipid bilayer that also include several of the transmembrane
proteins, ion channels etc. Small, non-polar molecules with hydrophobic nature diffuse more
easily into the cell membrane. Similarly, proteins interact and assemble themselves to form
several layers of structures in our body.
Small particles are such as oxygen and CO2, urea can cross the lipid bilayer easily through
diffusion compared to glucose (channel mediated-sodium dependent transport into the cell),
amino acids (channel mediated) and various ions etc. Atoms that can form hydrogen bonding or
electrostatic interactions arranged in complementary fashion to create a hydrophobic pore.
Within the cell membrane, the tail portions (lipid region) bonded together and the head portions
(hydrophilic region) exposed into cell interior and exterior, which is very essential for the
selective permeability of cell membrane. Membrane proteins can contain several transmembrane
elements for example G-protein coupled receptors contain 7-transmembrane regions with helical
protein subunits. These membrane proteins can occupy only one side of the membrane but
majority to the internal surface & some of these proteins are in the membrane are locked into the
membrane for ligand binding via other cross-linking membrane proteins or by polar phospholipid
heads with ionic interactions. Majority of transmembrane poritens are three dimentional with
\"alpha-helical sheets\" in their structure
These proteins of mosaic model possess significant characteristics in pertinent to a lot of cellular
processes such as cell-cell signaling, cellular apoptosis followed by cell death, membrane
budding, and biol.
Chrome File Edit View History Bookmarks People Window Help my.unce.e.pdf
Chrome File Edit View History Bookmarks People Window Help my.unce.edu × . C) chapter
2-Managerial Acco)
Solution
ANSWER 15:Cost ParticularsAmountDirect Materials5.70Direct labor3.20Variable
Manufacturing overhead1.60Sales commission1.10Variable administration
expense0.55Incremental Cost12.15.
CASE STUDY There is a new phenomenon in the cybersecurity domain ca.pdf
CASE STUDY: There is a new phenomenon in the cybersecurity domain called: “Bring Your
Own Device (BYOD)” where employees can bring their personal devices at work and connect
using the Wi-Fi to the organization’s network. Many employers are allowing their employees to
use their personal mobile device for enterprise functions such as corporate email, work
applications, etc. While this may save the company costs, the organization’s network remains
vulnerable. A company can only monitor so much that’s on an employee personal device;
Assess the threats, the vulnerabilities, and the impacts on an organization’s information systems
posed by the use of mobile devices at work. What can be done to fix it at the policy level,
technology level, and infrastructure level?
Solution
Employees aren\'t just bringing their mobile devices to the workplace — they\'re living on them.
A 2015 study by Bank of America found that 55 percent of respondents sleep with their
smartphones on their nightstands to avoid missing a call, text message or other update during the
night. The devices are also the first thing on their minds in the morning: while 10 percent
reported thinking of their significant other, 35 percent reserved their first thought of the day for
their smartphone.
As smartphones and tablets become constant companions, cyber attackers are using every avenue
available to break into them. Many people expect that iPhone or Android devices are secure by
default, when in reality it is up to the user to make security configuration changes. With the right
(inexpensive) equipment, hackers can gain access to a nearby mobile device in less than 30
seconds and either mirror the device and see everything on it, or install malware that will enable
them to siphon data from it at their leisure.
The nature and types of cyber attacks are evolving rapidly, and mobile devices have become a
critical part of enterprise cyber-security efforts with good reason. Analysts predict that by 2018,
25 percent of corporate data will completely bypass perimeter security and flow directly from
mobile devices to the cloud.
Chief information security officers (CISOs) and other security executives are finding that the
proliferation of mobile devices and cloud services present a significant barrier to effective breach
response. In order to secure the corporate data passing through or residing on mobile devices, it
is imperative to fully understand the issues they present.
5 Security Risks and a Surprising Challenge
The threat and attack vectors for mobile devices are largely composed of retargeted versions of
attacks aimed at other endpoint devices. These risks can be categorized into five areas.
1. Physical access
Mobile devices are small, easily portable and extremely lightweight. While their diminutive size
makes them ideal travel companions, it also makes them easy to steal or leave behind in airports,
airplanes or taxicabs. As with more traditional devices, physical access to a mobile devi.
678020731-Sumas-y-Restas-Para-Colorear.pdf
KKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKKK
More Related Content
More from kostikjaylonshaewe47
There are two large plants in the authors’ yard a yucca tree and an.pdf
There are two large plants in the authors’ yard: a yucca tree and an enormous prickly pear cactus.
Both have rough, scaly bark, but it is known that these plants are not closely related. (a) What are
two different explanations for the similarity of the bark? (b) It is also known that yuccas are
descended from a grass species instead of a tree species. Which of the two explanations given in
part a is consistent with this fact?
Solution
A) Two different explanations for the similarity in bark
i) yucca plants adapt to the environment that they live in. Depending on the type of environment,
the yucca plants develop fleshy thick leaves for deserts. They also adapt to the mountains,
coastal sands, grasslands and prairies.
ii) there are some yuccas which are also common to the southwest desert scene. They have
similar characteristics like the traditional cactus. There is a high chance that the yucca present in
the author\'s yard is a desert origin yucca, thus a similarity in the bark.
Yucca filamentosa , which is the grass species of yucca is more found in the desert environment
than the other species of yucca. The second explanation for the similarity in bark is more
consistent in this case with the variation in species ..
The seaport town of New Monopoly has become extremely popular with sh.pdf
The seaport town of New Monopoly has become extremely popular with shipping companies
due to its superior location. The port has become so congested that ships must wait hours every
day just to dock. This is an example of The major of New Monopoly realizes that the congestion
at the port costs the shipping companies and its town money. Which decision would NOT move
him towards a command economy?
Solution
ans 1
b) private good
as por is congested so it is rival and exclusive in use that\'s why port is private good
ans 2
b) The mayor decides to let individual firms and consumers find a solution for the excessive wait
time.
this decision would not move him towards a command economy because this means giving
individual firms and consumers power to decide about solution themselves which means mayor
is not using his dominating power of command economy.
The figure below shows a series of SNP loci (A-O) loci for two strai.pdf
The figure below shows a series of SNP loci (A-O) loci for two strains of mice (Houston in blue,
Dallas in red).Which locus would not be useful in mapping novel mutations?
G
H
I
J
K A A BBC C D D E E F F G G H H I I J J K K M M N N O O
Solution
Ans: In the above gel pictureloci for two strains of mice (Houston in blue, Dallas in red) is given.
Among the loci A-O, K locus is not useful in mapping novel mutations..
The climatic stability hypothesis for the change in biodiversity with.pdf
The climatic stability hypothesis for the change in biodiversity with latitude states that: more
stable climates will lead to lower biodiversity due to broad niches for individual species less
stable climates leads to lower biodiversity due to the inability of many species to adapt to
climatic variation more stable climates in the tropics provide greater solar energy to support
biodiversity more stable climates in the tropics in greater rates of thereby enhancing
biodiversity.
Solution
Less stable climate leads to lower biodiversity due to the inability of many species to adapt to
climatic variation..
Table 14.2 Primitive and Advanced Features of Nonvascular Plants as T.pdf
Table 14.2 Primitive and Advanced Features of Nonvascular Plants as They Relate to Adaptat o
Land features ACdeanced features Table 14.3 Primitive and Advanced Features of Seedless
Vascula Plants as They Relate to Ada ation to Land Table 14.4-Structures and Functions of the
Nonvascular Plants and Seedless Vascular Plants function Sporophyte/Gametophyte Example
structure Archegonium
Solution
primitive and advanced features of non vascular plants for land adaptation.
Primitive features:
1. Lack of proper vascular tissue .
2. gametpohyte is being dominant phase of life cycle.
3.sporophyte is dependent on the gametophyte.
Advanced features:
1.Development of cuticle to avoid water loss through transpiration.
2. Sporophyte being erect.
3. Development of multicellular gametangia and complex embryonic development.
primitive and advanced features of vascular plants for land adaptation.
Primitive features:
1.Gametophyte is small , independent, lacks vascular tissue,cuticle,photosynthetic, found in
moist shady habitats ,dispersal by spores.
2. sperms are motile and require water for fertilization .
advanced features.:
1. Well developed photosynthetic sporophyte representing dominant phase of the life cycle.
2.plant well differentiated into aerial stem, leaves and underground roots.
3.Sporophyte has waxy cuticle , stomata and bears leaves or fronds as in ferns.
4.Development of vigorous rhizome for vegetative propagation..
Solar energy is channeled by molecular vibration from... to the ..pdf
Solar energy is channeled by molecular vibration from... to the .... of photo system 2 and 1.
Solar energy is channeled by molecular vibration from... to the .... of photo system 2 and 1.
Solution
Solar energy is channeled by molecar vibrations from p680 by splitting the water into electrons
and H+ ions and to the p700 of photo system 2 and 1..
report “Rabbits and Wolves”Discuss the changes in parameters and how.pdf
report “Rabbits and Wolves”Discuss the changes in parameters and how they affected the
population growth curves for each organism (be sure to mention particular changes in the graphs
and ending populations). Think about how this simulation could apply to the real world. What
other factors or variables would have to be included. What if humans were added as a fourth
organism, how would they affect this simulation? Also, do you think that a computer model is a
useful tool to science? More precisely do you think there are times when such a model is useful
and when such a model is not useful? Be sure to start your discussion with a statement of
objectives - I have listed objectives above, write and state if you think you obtained the
objectives and explain why or why not. There is absolutely no penalty for thinking that you
didn\'t complete one of the objectives.
Solution
Ans.) To understand the different models that are used to represent population dynamics, first
understand the general equation for the population growth rate (it is the change in number of
individuals in a population over time):
dT/dN=rN
In this equation, T = growth rate of the population
NNN = population size
TTT = time
rrr = per capita rate of increase (that is, how quickly the population grows per individual already
in the population).
The equation above is very general, and we can make more specific forms of it to describe two
different kinds of growth models: exponential and logistic.
A positive growth rate implies that the population is increasing, whereas a negative growth rate
shows that the population is reducing. A growth ratio of zero indicates that there is a balance i.e.
that there were the same number of organisms at the beginning and end of the particular time
period. Sometimes, growth rate may be zero even when there are significant changes in the birth
rates, death rates, immigration rates and age distribution between the two times period.
Situation which includes exponential development, different age-independent density variable
influencing survival, three influencing fertility. The one function meeting the presumptions of
the calculated model delivered a strategic development bend typifying the right values or rm and
K. The others created sigmoid bends to which self-assertive strategic bends could be fitted with
differing achievement. In view of population time slacks, two of the capacities influencing
fruitfulness created overshoots and damped motions amid the underlying way to deal with the
enduring state.
The other factors or variables would have been included in the given situation would be the
climate condition.
In my opinion computer model is a useful and informative tool in analyzing the population
growth curves of any organism. In most of the cases, the computer model for population growth
studies is logical..
prove thisSolutionSuppose that A is a product of element.pdf
prove this
Solution
Suppose that A is a product of elementary matrices E1,...,En. Then the inverses of elementary
matrices ,the matrices E1,...,En are invertible. By the first theorem about inverses the product of
invertible matrices is an invertible matrix. So A is an invertible matrix as A is the product of
elementry matrices..
Our task this week is to diagnose patients who come in with various .pdf
Our task this week is to diagnose patients who come in with various symptoms.
We\'ll use the following random variables:
F: The patient has the flu
S: The patient has strep
V: The patient has a fever
T: The patient has a sore throat
C: The patient has a cough
The flu may cause a fever and/or a cough.
Strep may cause a sore throat and/or a fever.
Question 1: Using the following Bayes network as our model, which of the following statements
are true and explain why?T C | V ?
Solution
Since the statements
The following conditions are true.
T V | S
T C | S
S F | V.
number of lines should be included in the last page of the paper aft.pdf
number of lines should be included in the last page of the paper after References.
Assessment- Marks will be awarded for compliance with format specifications, organization and
use of proper section headings and content.
Warning- While you are free to source and use materials from the Internet, you must not copy
these works verbatim. In addition you must not copy your classmate\'s work. The penalty for
copying for the offender and the author of the copied work is severe. Protect your paper from
plagiarism . Investigate modern Digital Satellite Communications Systems. Satellite
communication systems are used to relay radio transmissions between earth terminals. A typical
operational link involves an active satellite and two or more earth terminals. One station
transmits to the satellite on a frequency called the UP-LINK frequency. The Saellite then
amplifies the signal, converts it to the DOWN-LINK frequency, and transmits it back to earth.
Your paper titled Digital Satellite Communication Systems should conform to the specifications
and format gixen below Specifications and Format: Reference Report Size Paper Font
CSC422/2015-16 Not less than 3500 words and not more than 4000 A4 Times New Roman,
(Title: Size 14, Heading: Size 13, Sub heading: Size 12, Text: Size 9) Heading Frt Single
Column Center Justification Title on a new Line Name on a new line Address on a new line
Reference on a new line Double Column, ruil Justitication Left2o5m. Right2.5cm. Top 2.5cm
and Bottom 2.5cm Single Page Format Page Margin Line Spacing A sample of the heading is
shown below Digital Satellite Communication Systems by Kaxade Adeleke Matriculation
Number 120805012) Department ofCompuer Sciences Uhiversity of Lagas (Ref CSC422/2014-
15) Your paper should have the following headings: Abstract, Introduction, Other Sections,
Conclusion, References and Document Statistics. Do not use a separate page for your title. The
coverage of the topic with well thought sections carries the bulk of awarded marks. Therefore,
organize your sections carefully for maximum coverage of topic and good effect Document
statistics - Word count, number of pages, number of paragraphs and
Solution
ANSWER-A communicaton satellite is an artificial satellite that relays and amplifies radio
telecommunications signals via a transponder; it creates acommunication channel between a
source transmitter and a receiver at different locations on Earth. Communications satellites are
used for television, telephone, radio, internet, and military applications. There are over 2,000
communications satellites in Earth’s orbit, used by both private and government
organizationsWireless communication uses electromagnetic waves to carry signals. These waves
require line-of-sight, and are thus obstructed by the curvature of the Earth. The purpose of
communications satellites is to relay the signal around the curve of the Earth allowing
communication between widely separated points.[2] Communications satellites use .
Modify the code below so that two separate listener classes are used .pdf
Modify the code below so that two separate listener classes are used - one for each of the two
buttons. public class LettRight Panel extends JPanel {private JButton left, right; private JLabel
label; public LeftRightPanel () {left = new JButton (\"Left\"); right = new JButton (\"Right\");
label = new JLabel(\"Left/Right\"); ButtonListener listener = new ButtonListener();
left.addActionListener (listener); right.addActionLiatener (listener); add (left); add (right); add
(label);} private class ButtonListener implements ActionListener public void actionPerformed
(ActionEvent event) {if (event.getSource() == left) label.setText(\"Left\"); else
label.setText(\"Right\");}}}
Solution
Hi,
I have modifief the code and highlighted the code changes below.
LeftRightPanel.java
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
public class LeftRightPanel extends JPanel{
private JButton left, right;
private JLabel label;
public LeftRightPanel(){
left = new JButton(\"Left\");
right = new JButton(\"Right\");
label = new JLabel(\"Left/Right\");
LeftButtonListener leftListener = new LeftButtonListener();
RightButtonListener rightListener = new RightButtonListener();
left.addActionListener(leftListener);
right.addActionListener(rightListener);
add(left);
add(right);
add(label);
}
private class LeftButtonListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
label.setText(\"Left\");
}
}
private class RightButtonListener implements ActionListener{
public void actionPerformed(ActionEvent e) {
label.setText(\"Right\");
}
}
}.
Lie detector tests are notoriously flawed. Assume that a particular .pdf
Lie detector tests are notoriously flawed. Assume that a particular test gives false positives with
probability 0.2 and false negatives with probability 0.1. In a large workforce assume that 15
percentage of applicants lie. What is the probability that if the lie detector test says a random
applicant lies that the applicant really is lying.
Solution.
Imagine you have 3 identical siblings. You are all from the same pare.pdf
Imagine you have 3 identical siblings. You are all from the same parents (e.g. mom and dad are
the same for everyone). Because you are more related to yourself (r = 1) than you are to your
siblings (r = 0.5), you should do your best to outcompete your siblings for food. Select one:
True False
Solution
True
They are siblings, that happen to be so much alike you genotypically. this behaviour is called
Sibling rivalry is a type of competition or animosity among brothers and sisters..
Implement a queue using a linkedlist (java)SolutionLinkedQueue.pdf
Implement a queue using a linkedlist (java)
Solution
LinkedQueueImplement.java
import java.util.*;
class Node
{
protected int data;
protected Node link;
public Node()
{
link = null;
data = 0;
}
public Node(int d,Node n)
{
data = d;
link = n;
}
public void setLink(Node n)
{
link = n;
}
public void setData(int d)
{
data = d;
}
public Node getLink()
{
return link;
}
public int getData()
{
return data;
}
}
class linkedQueue
{
protected Node front, rear;
public int size;
public linkedQueue()
{
front = null;
rear = null;
size = 0;
}
public boolean isEmpty()
{
return front == null;
}
public int getSize()
{
return size;
}
/* Function to insert an element to the queue */
public void insert(int data)
{
Node nptr = new Node(data, null);
if (rear == null)
{
front = nptr;
rear = nptr;
}
else
{
rear.setLink(nptr);
rear = rear.getLink();
}
size++ ;
}
/* Function to remove front element from the queue */
public int remove()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
Node ptr = front;
front = ptr.getLink();
if (front == null)
rear = null;
size-- ;
return ptr.getData();
}
/* Function to check the front element of the queue */
public int peek()
{
if (isEmpty() )
throw new NoSuchElementException(\"Underflow Exception\");
return front.getData();
}
/* Function to display the status of the queue */
public void display()
{
System.out.print(\"\ Queue = \");
if (size == 0)
{
System.out.print(\"Empty\ \");
return ;
}
Node ptr = front;
while (ptr != rear.getLink() )
{
System.out.print(ptr.getData()+\" \");
ptr = ptr.getLink();
}
System.out.println();
}
}
/* Class LinkedQueueImplement */
public class LinkedQueueImplement
{
public static void main(String[] args)
{
Scanner scan = new Scanner(System.in);
/* Creating object of class linkedQueue */
linkedQueue lq = new linkedQueue();
/* Perform Queue Operations */
System.out.println(\"Linked Queue Test\ \");
char ch;
do
{
System.out.println(\"\ Queue Operations\");
System.out.println(\"1. insert\");
System.out.println(\"2. remove\");
System.out.println(\"3. peek\");
System.out.println(\"4. check empty\");
System.out.println(\"5. size\");
int choice = scan.nextInt();
switch (choice)
{
case 1 :
System.out.println(\"Enter integer element to insert\");
lq.insert( scan.nextInt() );
break;
case 2 :
try
{
System.out.println(\"Removed Element = \"+ lq.remove());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 3 :
try
{
System.out.println(\"Peek Element = \"+ lq.peek());
}
catch (Exception e)
{
System.out.println(\"Error : \" + e.getMessage());
}
break;
case 4 :
System.out.println(\"Empty status = \"+ lq.isEmpty());
break;
case 5 :
System.out.println(\"Size = \"+ lq.getSize());
break;
default :
System.out.println(\"Wrong Entry \ \");
break;
}
/* display queue */
lq.display();
System.out.println(\"\ Do you want to continue (Type y or n) \ \");
ch = scan.next().charAt(0);
} while (ch == \'Y\'|| ch == \'y\');
}
}
Output :
Linked Queue Test
Queue Operations
1. inse.
I need help making a recursive Koch snowflake. Im using python. I ne.pdf
I need help making a recursive Koch snowflake. Im using python. I needed to make a snowflake
that uses 6 recursions. I did that part, the part Im having trouble with is coloring each of
recursions a different color. here is what I have so far.
//-------------koch snowflake
void setup() {
size(600, 600);
background(255);
stroke(0);
//frameRate(1);
//colorMode(HSB, 8, 100, 100);
}
int i = 1;
void draw() {
Koch(width/2, height/2, width*0.7, i);
}
void Koch(float X, float Y, float D, int order) {
colorMode(HSB, 8, 100, 100);
fill(0, 128/order, 128);
pushMatrix();
translate(X, Y);
translate(-D/2, D/3*sin(PI/3));
Koch(D, order);
translate(D, 0);
rotate(-2*PI/3);
Koch(D, order);
translate(D, 0);
rotate(-2*PI/3);
Koch(D, order);
popMatrix();
}
void Koch(float X, int order) {
if (order == 1) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 2) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 3) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
if (order == 4) {
order++;
Koch(X/3, order);
pushMatrix();
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(-2*PI/3);
Koch(X/3, order);
translate(X/3, 0);
rotate(PI/3);
Koch(X/3, order);
popMatrix();
}
else {
order = order - 1;
beginShape();
vertex(0, 0);
vertex(X/3, 0);
vertex(X/2, X/3*sin(PI/3));
vertex(2*X/3, 0);
vertex(X, 0);
endShape();
}
}
Solution
Try to implement in.
First, describe what a force is and what effects forces have on obje.pdf
First, describe what a force is and what effects forces have on objects. Provide one or two
examples of forces operating at a macroscopic scale to help you form analogies to describe
atomic phenomena. Then describe the forces involved in holding matter together at the atomic
level. Describe what would happen if various atomic forces disappeared? Also, provide a
description of some of the forces between atoms that result in molecules and larger collections of
atoms, and how these forces are important
Solution
Force changes the state of motion and state of rest , Force is a push or pull which creats
acceleration , forces changes direction of the objects moving . force change shape of the objects,
force is the capacity to do work.
Forces work at the macroscopic level prmarly is gravity which is responsible for the whole mass
in the universe to stay in tact with out getting fly away , the same gravity makes stars , solar
systems and helps the formation of planets.
The fource basic forces of nature are , Gravity , Electromagnetic , strong nuclear forces and weak
nuclear forces, out of which gravitational forces works at macroscopic scale and rest of the
threee works in microscopic scale on matter.
Electromagnetic force is responsible for holding all the atoms in molecules to gether ,and also
the same force behind all the chemical reactions. the stong nuclear and weak nuclear forces are
the backbone behind the binding of nucleons in nucleus.
Strong and weak nuclear force play key role in the formation of heavy nucleus from individual
protons, electromagnetic forces are responsible for the formation of atoms , with out either stong
nuclear and EM force atoms may not exist in our universe , and gravity plays the leed role for the
formation of stars where the systhesis of all the nucleus takes places, with out gravity the
universe may left with individual protons and electrons .
The residual attractive or repulsive forces between atoms, molecules, and surfaces, as well as
other intermolecular forces are called vander waals forces, which arise due to electromagnetic
fields, van der Waals forces are weaker than normal covalent ionic bonds which are short-range
forces and should be considered only if the molecules are closer , these forces are important in
the formation of macrosizd molecules in the formation fo liquids and protein stuctures and DNA..
Drag each label to the cell type it describes. Produce proteins and l.pdf
Drag each label to the cell type it describes. Produce proteins and lipids associated with
Receptors for touch water-proofing of the skin Phagocytes that Produce proteins ingest
pathogens of that shield nuclei the epidermis from UV light Produced by undifferentiated stem
cells in the Langerhans cells stratum basale The most common Cells associated cell type in the
with nervous epidermis system function These cells have increased Cells of the production rates
of lymphatic system skinned individuals Produce eumelanin Merkel cells and pheomelanin Reset
Keratinocytes Tactile cells Melanocytes Dendritic cells
Solution
Keratinocytes:
Produce proteins and lipids associated with waterproofing of cells, Most common cell type in the
epidermis
Tactile cells:
Receptors for touch, Cells associated with nervous system function, Merkel cells
Melanocytes:
Produce proteins that sheild nuclei from UV light, Produced by undifferentiated stem cells in the
stratum basale, These cells have increased rates of pigment in darker skinned individuals,
Produce eumelanin and pheomelanin
Dendritic cells:
Phagocytes the ingests pathogens of the epidermis, Langerhans cells, Cells of the lymphatic
system.
Discuss the role of proteins in membrane structure and transport of .pdf
Discuss the role of proteins in membrane structure and transport of molecules across the
membrane? (AP Biology II Free Response Question)
Solution
These three macromolecules together to form a complex phospholipid bilayer in which
periplasmic proteins are distributed in a mosaic manner. The large fluid mosaic structure is
formed from these macromolecules composed of phospholipid bilayers with protein channels for
the transport of organic & inorganic nutrients including trace metal. Normally, the essential
aspects of these structures composed of \"porins, protein channels, integral proteins” that dictate
their function for the selective permeability, diffusion of nutrients across the membrane into &
out of the cell finally to attain homeostasis
Membrane phospholipids are the molecules with hydrophillic polar heads towards the solvent
such as water whereas hydrophobic tail located towards the center of the layer and this bilayer
formed by micelles, as fatty acids possess one polar associated with another nonpolar head.
Biological lipid bilayers are composed of phospholipids to form spontaneously into bilayers
because the hydrophobic tails, which associate as \"amphiphilic phospholipids\" with hydrophilic
phosphate head. Cell membrane possesses a property known as selective permeability. Cell
membrane consists of phopholipid bilayer that also include several of the transmembrane
proteins, ion channels etc. Small, non-polar molecules with hydrophobic nature diffuse more
easily into the cell membrane. Similarly, proteins interact and assemble themselves to form
several layers of structures in our body.
Small particles are such as oxygen and CO2, urea can cross the lipid bilayer easily through
diffusion compared to glucose (channel mediated-sodium dependent transport into the cell),
amino acids (channel mediated) and various ions etc. Atoms that can form hydrogen bonding or
electrostatic interactions arranged in complementary fashion to create a hydrophobic pore.
Within the cell membrane, the tail portions (lipid region) bonded together and the head portions
(hydrophilic region) exposed into cell interior and exterior, which is very essential for the
selective permeability of cell membrane. Membrane proteins can contain several transmembrane
elements for example G-protein coupled receptors contain 7-transmembrane regions with helical
protein subunits. These membrane proteins can occupy only one side of the membrane but
majority to the internal surface & some of these proteins are in the membrane are locked into the
membrane for ligand binding via other cross-linking membrane proteins or by polar phospholipid
heads with ionic interactions. Majority of transmembrane poritens are three dimentional with
\"alpha-helical sheets\" in their structure
These proteins of mosaic model possess significant characteristics in pertinent to a lot of cellular
processes such as cell-cell signaling, cellular apoptosis followed by cell death, membrane
budding, and biol.
Chrome File Edit View History Bookmarks People Window Help my.unce.e.pdf
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2-Managerial Acco)
Solution
ANSWER 15:Cost ParticularsAmountDirect Materials5.70Direct labor3.20Variable
Manufacturing overhead1.60Sales commission1.10Variable administration
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CASE STUDY There is a new phenomenon in the cybersecurity domain ca.pdf
CASE STUDY: There is a new phenomenon in the cybersecurity domain called: “Bring Your
Own Device (BYOD)” where employees can bring their personal devices at work and connect
using the Wi-Fi to the organization’s network. Many employers are allowing their employees to
use their personal mobile device for enterprise functions such as corporate email, work
applications, etc. While this may save the company costs, the organization’s network remains
vulnerable. A company can only monitor so much that’s on an employee personal device;
Assess the threats, the vulnerabilities, and the impacts on an organization’s information systems
posed by the use of mobile devices at work. What can be done to fix it at the policy level,
technology level, and infrastructure level?
Solution
Employees aren\'t just bringing their mobile devices to the workplace — they\'re living on them.
A 2015 study by Bank of America found that 55 percent of respondents sleep with their
smartphones on their nightstands to avoid missing a call, text message or other update during the
night. The devices are also the first thing on their minds in the morning: while 10 percent
reported thinking of their significant other, 35 percent reserved their first thought of the day for
their smartphone.
As smartphones and tablets become constant companions, cyber attackers are using every avenue
available to break into them. Many people expect that iPhone or Android devices are secure by
default, when in reality it is up to the user to make security configuration changes. With the right
(inexpensive) equipment, hackers can gain access to a nearby mobile device in less than 30
seconds and either mirror the device and see everything on it, or install malware that will enable
them to siphon data from it at their leisure.
The nature and types of cyber attacks are evolving rapidly, and mobile devices have become a
critical part of enterprise cyber-security efforts with good reason. Analysts predict that by 2018,
25 percent of corporate data will completely bypass perimeter security and flow directly from
mobile devices to the cloud.
Chief information security officers (CISOs) and other security executives are finding that the
proliferation of mobile devices and cloud services present a significant barrier to effective breach
response. In order to secure the corporate data passing through or residing on mobile devices, it
is imperative to fully understand the issues they present.
5 Security Risks and a Surprising Challenge
The threat and attack vectors for mobile devices are largely composed of retargeted versions of
attacks aimed at other endpoint devices. These risks can be categorized into five areas.
1. Physical access
Mobile devices are small, easily portable and extremely lightweight. While their diminutive size
makes them ideal travel companions, it also makes them easy to steal or leave behind in airports,
airplanes or taxicabs. As with more traditional devices, physical access to a mobile devi.
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