14. (TCO 1-6) Please select the statement which CORRECTLY links a food preservation method
with the appropriate reason(s)
(Points : 4)
Both salt and sugar preserve food by drawing water out of the plant or animal cells by osmosis.
Salting or sugaring essentially dehydrates the food, making it inhospitable to microbes,
especially bacteria. Dehydration also dramatically slows the action of enzymes that would
otherwise degrade the food.
Drying food, whether in the sun, in ovens, or in modern freeze drying involving vacuums,
removes water, making a food inhospitable to many microorganisms and slows its chemical
deterioration.
Cooling food whether historically in a cellar, cave, cold running stream, or “Ice-House”, or in
modern day refrigerators and freezers slows (or virtually stops in the case of freezing) a
bacterium’s metabolism, becoming less able to multiply or produce toxins.
In industrial canning ,the food to be canned is sorted, and any spoiled food is removed; the food
is washed; the food is parboiled or scalded to stop enzymatic processes and kill microorganisms
on the food’s surface; cans are filled and heated, air is siphoned out, and they are sealed; the
sealed cans are heated to a very high temperature by steam under pressure and then cooled in a
water bath.
In irradiation, foods are rid of most pathogenic microbes by gamma rays or other forms of
radiation, while frozen foods remain frozen and raw foods stay raw through the process.
All of the above correctly link a food preservation method with the appropriate reason(s).
Solution
All the above correctly link a food preservation method with the appropriate reasons.
All the statements are true..
PHYSICAL METHODS OF FOOD PRESERVATION.pptxAfra Jamal
This presentation includes the methods of food preservation by physical methods such as asepsis, preserve by low and high temperatures, biopreservatives, desiccation, controlled atmosphere and anaerobiosis
spoilage at low temperatures (1).docx miajmosquito4
Notes on food spoilage at low temperature, microbial and non microbial, prevention,organism involved,causes of spoilage
For MSc and B sc ,food microbiology
PHYSICAL METHODS OF FOOD PRESERVATION.pptxAfra Jamal
This presentation includes the methods of food preservation by physical methods such as asepsis, preserve by low and high temperatures, biopreservatives, desiccation, controlled atmosphere and anaerobiosis
spoilage at low temperatures (1).docx miajmosquito4
Notes on food spoilage at low temperature, microbial and non microbial, prevention,organism involved,causes of spoilage
For MSc and B sc ,food microbiology
Cryopreservation Prepared by Md. Ali HaidarAli Haidar
I am Md. Ali Haidar student at faculty of Agriculture, EXIM Bank Agricultural University Bangladesh. I am a future Agriculturist. I published my Presentation for helping other student.
most extra cellular environments contain a high concentration of sod.pdfalokkesh
most extra cellular environments contain a high concentration of sodium ions (Na+). consider a
cell membrane that is permeable to potassium (K+) and is in equilibrium. the diffusion of K+ has
left the inside of the ell slightly negatively charged and the outside slightly positively charged.
suppose that the cell membrane now opens some sodium channels what happens? A) there is no
flow across the membrane. the outside of the cell is positeely charged drivingthe sodium ions
father away from the cell. B) there is no flow across the membrane. the cell is in equilibrim and
so the electric repulsionof the Na+ exactly counters the effects of diffusion. C) the cell becomes
positvely charged. both diffusion and the electric attraction to the cell drive into the cell D) the
cell becomes positvely charged; diffusion is reversed and K+ are drived back into the cell
Solution
The cell becomes positively charged, diffusion is reversed and K+ are drived back into the cell..
Let X be the prive of a meal at a local diner( X = $8,$10,and $12) a.pdfalokkesh
Let X be the prive of a meal at a local diner( X = $8,$10,and $12) and let Y be the amount of tip
left per meal (Y = $1.50,$2 or $2.50). the joint probability function of X and Y is given by
a. Find f(X = 10, Y=2) and interpret what this value represents.
c. Find the marginal distributions of X and Y.
d. Determine if X and Y are independent Random Variables or not. Explain why or why
not.f(x,y)Y=1.50Y=2.00Y=2.50X=8.3.120X=10.15.135.025X=12.03.15.09
Solution.
More Related Content
Similar to 14. (TCO 1-6) Please select the statement which CORRECTLY links a fo.pdf
Cryopreservation Prepared by Md. Ali HaidarAli Haidar
I am Md. Ali Haidar student at faculty of Agriculture, EXIM Bank Agricultural University Bangladesh. I am a future Agriculturist. I published my Presentation for helping other student.
most extra cellular environments contain a high concentration of sod.pdfalokkesh
most extra cellular environments contain a high concentration of sodium ions (Na+). consider a
cell membrane that is permeable to potassium (K+) and is in equilibrium. the diffusion of K+ has
left the inside of the ell slightly negatively charged and the outside slightly positively charged.
suppose that the cell membrane now opens some sodium channels what happens? A) there is no
flow across the membrane. the outside of the cell is positeely charged drivingthe sodium ions
father away from the cell. B) there is no flow across the membrane. the cell is in equilibrim and
so the electric repulsionof the Na+ exactly counters the effects of diffusion. C) the cell becomes
positvely charged. both diffusion and the electric attraction to the cell drive into the cell D) the
cell becomes positvely charged; diffusion is reversed and K+ are drived back into the cell
Solution
The cell becomes positively charged, diffusion is reversed and K+ are drived back into the cell..
Let X be the prive of a meal at a local diner( X = $8,$10,and $12) a.pdfalokkesh
Let X be the prive of a meal at a local diner( X = $8,$10,and $12) and let Y be the amount of tip
left per meal (Y = $1.50,$2 or $2.50). the joint probability function of X and Y is given by
a. Find f(X = 10, Y=2) and interpret what this value represents.
c. Find the marginal distributions of X and Y.
d. Determine if X and Y are independent Random Variables or not. Explain why or why
not.f(x,y)Y=1.50Y=2.00Y=2.50X=8.3.120X=10.15.135.025X=12.03.15.09
Solution.
LinearPerson.javaPlease help me the JAVA programPlease provide t.pdfalokkesh
LinearPerson.java
Please help me the JAVA program
Please provide the output. LinearPerson A LinearPerson lives on a number line. At any time, he
or she has a position, such as 0 or 3 or -5. He or she can move one position at a time. He or she
has a direction of movement. So if a LinearPerson is moving right and is at position -3, the new
position will be -2. If a LinearPerson is moving left and is at position -3, the new position will be
-4. The following describes the LinearPerson class: You should decide the instance variables
needed for LinearPerson. Overloaded constructors: a no-argument constructor that sets the
current position at 0 and the current direction as \"to the right.\" a constructor that takes one int
as a parameter; the parameter represents the initial position of the LinearPerson methods: public
void turn() // changes the direction of the LinearPerson (right to left, or left to right) public void
move() // moves the LinearPerson one position in his or her current direction public int
getPosition() // returns the current position of the LinearPerson As an example LinearPerson
sophie = new LinearPerson(); // sophie is at position 0, moving right sophie.turn(); // sophie is at
position 0, moving left sophie.move(); // sophie is at position -1, moving left sophie.move(); //
sophie is at position -2, moving left sophie.turn(); // sophie is at position -2, moving right
sophie.move(); // sophie is at position -1, moving right Create a class LinearPersonPairthat
creates two LinearPerson objects, one using the no-argument constructor, the other object should
be created at a given location. The program moves the objects in various directions and prints
their final locations.
Solution
class LinearPerson {
private String direction; // current direction
private int position; // current position
public static final String RIGHT = \"right\";
public static final String LEFT = \"left\";
// no arg constructor
public LinearPerson() {
this.position = 0;
this.direction = LinearPerson.RIGHT;
}
//arg constructor
LinearPerson(int position) {
this.position = position; // setting the initial position
if (position >= 0) {
this.direction = LinearPerson.RIGHT; // setting the direction to right if position is >=0
} else {
this.direction = LinearPerson.LEFT; // setting the direction to left if position is < 0
}
}
//get the curent direction
public String getDirection() {
return direction;
}
// get the current position
public int getPosition() {
return position;
}
// method to turn the direction
public void turn(){
if(this.direction==LinearPerson.RIGHT){
this.direction=LinearPerson.LEFT; // set the direction to left if current direction is right
}else{
this.direction=LinearPerson.RIGHT; // set the direction to left if current direction is right
}
}
//method to move the position in current direction
public void move(){
if(this.direction==LinearPerson.RIGHT){
this.position=this.position+1; // move the position to right
}else{
this.position=this.position-1; //.
is acute or chronic exposure to heptachlor more of a danger to human.pdfalokkesh
is acute or chronic exposure to heptachlor more of a danger to humans
Solution
Answer:
Heptachlor is an insecticide (organochlorine) in the agriculture and it causes serious effects on
the humans.
Short term exposure or acute exposure may lead to nervous system effects, gastrointestinal
effects and liver effects.so it is more dangerous.
Long term exposure includes symptoms such as dizziness, irritabilty and salivation..
In “Intellectual Property and the Information Age,” Richard T. De Ge.pdfalokkesh
In “Intellectual Property and the Information Age,” Richard T. De George begins by examining
the case of Napster and the practice of sharing digital music over the Internet. He concludes by
arguing that determining whether an action with regard to copyright protection is moral or
immoral will depend on the balancing of competing conceptions and justifications for copyright
protection. Using the positions that De George lays out, examine the case with which De George
begins. Do you believe that this activity is morally justified or immoral? Why?
Solution
Copyright protection means one cannot copy the content without the owner authority.
The activity which De George has done is morally justified..
How does horizontal transfer affect the evolution of anti-biotic res.pdfalokkesh
How does horizontal transfer affect the evolution of anti-biotic resistant strains of bacteria?A. It
increases the rate of beneficial mutations within a population of bacteria.
Solution
The horizontal transfer affect the evolution of anti-biotic resistant strains of bacteria, as It
increases the speed with which bacteria can adapt because they may have gotten resistance genes
from another species already.
Three main mechanism of horizontal transfer of gene occurs are transformation, transduction or
conjugation.
Transformation involves uptake of short fragments of naked DNA by naturally transformable
bacteria.
In transduction, DNA transfer occurs from one bacterium into another via bacteriophages.
In conjugation, transfer of genetic material occurs between bacterial cells by direct cell-to-cell
contact or by a bridge-like connection between two bacterial cells..
Flag this QuestionQuestion 12 1 ptsPolytene chromosomes arise fr.pdfalokkesh
Flag this Question
Question 12 1 pts
Polytene chromosomes arise from multiple rounds of DNA replication without cell division.
Flag this Question
Question 13 1 pts
Epigenetic changes involve
Flag this Question
Question 14 1 pts
Unusual loop-shaped structures of DNA sometimes from at the ends of chromosomes.
Flag this Question
Question 15 1 pts
Long interspersed elements (LINES) are rare in the human genome.
Flag this Question
Question 16 1 pts
The DNA of bacterial genomes is dispersed nearly evenly throughout the cytoplasm.
Flag this Question
Question 17 1 pts
The combination of eukaryotic DNA and proteins is termed:
Flag this Question
Question 18 1 pts
Centromeres and telomeres are virtually always found in heterochromatic regions of
chromosomes (parts of chromosomes organized in heterochromatin).
Flag this Question
Question 19 1 pts
Changes in the sensitivity of DNA at specific loci (positions along chromosomes) to digestion by
DNAse I can be used to monitor the relative state of chromatin condensation.
Flag this Question
Question 20 1 pts
Sensitivity of a particular DNA sequence to digestion by DNase I often changes with changing
patterns of gene expression.True
Solution
Q12. True
Cells undergo repeated rounds of DNA replication without cell division, to increase cell volume,
forming a giant polytene chromosome
Q13.changes in chromatin structure
Epigenetic changes do not change DNA sequences, they cause acetylation/deacetylation of
histone proteins and cause change in chromatin structure.
Q14. True
Telomeres form large loop structures called telomere loops
Q15. False
They make up around 20% of the human genome.
Genetic drift tends to genetic variation wITHIN small populations, an.pdfalokkesh
Genetic drift tends to genetic variation wITHIN small populations, and A) increase; increase B)
decrease; increase O C) increase; decrease D) decrease; decrease E) increase; have no effect on
variation AMONG populations
Solution
1. Increase and decrease- small populations are more susceptible to genetic drift. In a small
population if an indivudual is lost it will leads to the lack of gene of that particular indivudual
and in a large population if a na indivudual is lost, it is just a small percentage and it wont leads
to the lack of the entire genome.
2. Natural selection- changes the gene pool to improve survival.
For our discussion question, we focus on recent trends in security t.pdfalokkesh
For our discussion question, we focus on recent trends in security technologies and security
operations. Staying current with various security tools is an important characteristic of a
proficient security manager. One method to discover new technologies is to attend security
related conferences and network with other security professionals about current and trending best
practices. For your discussion question, choose two relevant and recent physical security
technologies and describe them. As part of your detailed description, provide: 1) Specific
information about the technology\'s function and application; 2) The type of facilities that the
technology would be best suited for; 3) The assets that the technology would best be used to
protect; 4) The likely vulnerabilities that the technology would best address; 5) Methods in
which the technology would be integrated with other technologies; 6) The number and type of
personnel that will need to be committed to the operation of the technology; 7) Special
considerations for policies and procedures to fully implement the technology; and 8) A likely
budget needed to implement the technology. If you are impressed with a particular security
technology that your organization uses, share it. Include any relevant hyperlinks and attach any
pictures if applicable. Here are some security categories of technologies that you may select.
Please make sure your posting covers a specific technology rather than a broad category:
Intrusion Detection Screening Technologies Access Control Technologies
Assessment/Surveillance Technologies Communications Technologies Central Control
Technologies Security Lighting Make certain that you do not duplicate another student\'s
contribution. You can select a “different” technology from the same category.
Solution
Information Security management is a process of defining the security controls in order to
protect the information assets.
Security Program
The first action of a management program to implement information security is to have a
security program in place. Though some argue the first act would be to gain some real \"proof of
concept\" \"explainable thru display on the monitor screen\" security knowledge. Start with
maybe understanding where OS passwords are stored within the code inside a file within a
directory. If you don\'t understand Operating Systems at the root directory level maybe you
should seek out advice from somebody who does before even beginning to implement security
program management and objectives.
Security Program Objectives
Protect the company and its assets.
Manage Risks by Identifying assets, discovering threats and estimating the risk
Provide direction for security activities by framing of information security policies, procedures,
standards, guidelines and baselines
Information Classification
Security Organization and
Security Education
Security Management Responsibilities
Determining objectives, scope, policies,re expected to be accomplished fr.
Fill in the blanksMicronutrients this refers to a sub-category o.pdfalokkesh
Fill in the blanks:
Micronutrients: this refers to a sub-category of essential nutrients. Essential nutrients are defined
based on ____________________________________; the macro nutrients are the sub-set that
are ___________________________________________.
Mycorrhizae (ecto & arbuscular): these are _____________________________________ that
provide the importance service of providing ______________________________ to plants. The
ectomycorrhizae and arbuscular differ
in____________________________________________________________________________
.
Rhizobia: a group of plant-associated bacteria that have the important trait of
_____________________________________.
Sand: a type of particle that can be in soil. Relative to the other three particles, its size is middle
Additionally, sand has the important property of being ________________________ and helps
with establishing air pockets and promoting water movement.
Horizons: different layers of soil. Horizons are formed by ______________________ and vary
in their composition, which can have different effects on plant growth.
Solution
Essential nutrients are the nutrients that are required for normal physiological functions of the
body but cannot be synthesise by the body and they can be obtained from the dietary sources. So,
the essential nutrients are defined based on their requirement in the body for the physiological
functioning. If these nutrients are required in very minute amount, they are called micronutrients
(iron, cobalt, chromium, copper) If the essential nutrients are required in large amount from the
diet they are called macronutrients (Carbohydrates, amino acids, vitamins, lipids). So the
macronutrients are the sub-set that are required in large amount from external sources for normal
physiological function of the body. Mycorrhizae (ecto & arbuscular) : these are symbiotic
relationships that form between fungi and plants that provides the importance service of
providing increased water and nutrient absorption capabilities to the plants by colonizing the root
system of the host plants. The ectomycorrhizae and arbuscular (endomycorrhizae) differ in
formation of hyphae, the hyphae of ectomycorrhizal fungi do not penetrate individual cells
within the root of their host plant, while the hyphae of endomycorrhizal fungi penetrate the cell
wall and invaginate the cell membrane of their host plants. Rhizobia : It is a group pf plant-
associated bacteria that have important trait of fixing the N2 (nitrogen) from the atmosphere into
the root nodules of its host plant. This trait is important for the plants in agriculture where there
is no use of nitrogen fertilizer for some reasons. Sand: a type of particle that can be in soil.
Relative to the other three particles, its size is middle. Additionally, sand has the important
property of being drained easily, moreover it doesnt compact and create spaces in soil and that\'s
how it helps establishing air pockets and promoting water movement. Horiz.
ecourses.pvamu.edu Help English United States en us) Question4 Ma.pdfalokkesh
ecourses.pvamu.edu Help English United States en us) Question4 Match the concept, term, or
theory with its correct response or definition. Not yet answered A. attachment anxiety B,
attachment avoidance Points out of 100 c. autonomy F Rag question D. collectivistic culture E.
culture dismissive attachment G. embarrassment I fearful attachment J. gender K individualistic
culture L looking-glass self M. mask o preoccupied attachment P secure attachment T self-
disclosure U. self-discrepancy theory x social comparison Y social penetration theory Reference
Ret 21 Feelings of shame, humiliation, and sadness.
Solution
theory of attachment
Attachment anxiety
Attachment avoidance
Dissimmisve attachment
Fearful attachment
Preoccupied attachment
Social penetration theory
age,
gender,
self-awareness
self esteem
Self discrepancy theory
self-esteem
Self-Fulfilling Prophecy
Self
self
self-awareness, self-concept, and self-esteem
dismissive attachment
low AAX and high AAV;
self-relianc
fearful attachment
high AAV and AAX; fear rejection,
shun relationships
individualistic culture
individual goals
collectivism culture
importance of belong to groups
face
public self
mask
public self designed to veil private self
embarrassment
losing face;
social penetration theory
revealing self to others
theory of attachment
Attachment anxiety
Attachment avoidance
Dissimmisve attachment
Fearful attachment
Preoccupied attachment
Social penetration theory
age,
gender,
self-awareness
self esteem
Self discrepancy theory
self-esteem
Self-Fulfilling Prophecy
Self
self
self-awareness, self-concept, and self-esteem
dismissive attachment
low AAX and high AAV;
self-relianc
fearful attachment
high AAV and AAX; fear rejection,
shun relationships
individualistic culture
individual goals
collectivism culture
importance of belong to groups
face
public self
mask
public self designed to veil private self
embarrassment
losing face;
social penetration theory
revealing self to others.
Explain why several versions of nMOS transistor models and pMOS trans.pdfalokkesh
Explain why several versions of nMOS transistor models and pMOS transistor models coexist
despite the fact that some models are accurate than others.
Solution
Some models are more accurate especially for short channel devices but they have a lot of model
parameters and thus very complicated.Some models are less accurate and much
simpler.Therefore there is a need for different purposes thus different models coexist.
Explain How Culture influences the way mangers perform their four ma.pdfalokkesh
Explain How Culture influences the way mangers perform their four main functions: planning ,
organizing, leading and controlling.
Solution
culture is the the set of aged- old traditions and beliefs shared by the people in an organisation or
in a nation. culture plays an important role while when people are at managers level. every
decision or step takes by the person reflects his culture directly or indirectly.
some people thinks in a pesimistic way and take poor decisions, some may think in a positive
way and some may think in the realistic way and take correct decisions. these people will be plan
in a successful way and implement them and get positive results.
organising is the process of implementing the plan in a proper way by coordination, integration
and cooperation of all his peers and emloyees. leading is the process where he becomes the guide
to his followers and accept challanges in work life and ready to face them and find solutions.
controlling speaks about the managing all the resources and best utilisation of those. the ultimate
moto of any organisation is use the available resources in a best way and increase the brand
name and wealth of organisation..
Describeillustrate the construction used by the ancient Indians to s.pdfalokkesh
Describe/illustrate the construction used by the ancient Indians to show that the difference
between two squares can be converted into another square. Describe/illustrate the construction
used by the ancient Indians to show that a rectangle can be transformed into a square, using the
results from #10.
Solution
10..
Describe the factors that contribute to a membrane potential. What i.pdfalokkesh
Describe the factors that contribute to a membrane potential. What is the principle cation inside
the cell? Outside the cell?
Solution
Answer:
Application of stimuli changes the membrane potential that act as signals, transmitting and
processing information along the neuron.
The factors that contribute to membrane potential are:
(a) Electrochemical gradient of the ion:
Active transport of ions causes an electrical gradient to develop across the membrane. The
positively charged ions are generally greater outside the cell and negatively charged ions inside
the cell. This causes a net negative charge on the inside of the cell and thus a voltage difference
across the membrane. This gives rise to the membrane potential.
(b) Permeability of the ion:
More the membrane is permeable to the ion, greater will be the influence of the equilibrium
potential of that ion towards the membrane potential.
The principle cation inside the cell is potassium (K+) and outside the cell is sodium (Na+)..
DiARTHROIDAL joints can be classified based on their characteristics.pdfalokkesh
DiARTHROIDAL joints can be classified based on their characteristics. Fill in the blanks with
the appropriate information. NOTE: Be sure to list 6 (SIX) types of diarthroidal joints, along
with the respective axis, shape, motion(s) and examples.
Type/Shape of Joint:
Number of Axes:
Joint Motions Allowed:
Example:
Solution
1. Type/Shape of Joint: Gliding / between the bones that meet at flat articular surfaces
Number of Axes: Nonaxial
Joint Motions Allowed: allows gliding or sliding movement
Example: intercarpals, vertebrae
2. Type/Shape of Joint: Hinge / between the cylindrical end of a bone and the trough-shaped
surface of another bone
Number of Axes: Uniaxial/ One plane
Joint Motions Allowed: permits bending in one plane (sagittal)
Example: humeroulnar-knee, interphalangeal-fingers and toes
3.Type/Shape of Joint: Pivot / the axis of a convex articular surface is parallel with the
longitudinal axis of the bone
Number of Axes: Uniaxial/ One plane
Joint Motions Allowed: permits rotation in one plane
Example: radioulnar, atlantoaxial
4.Type/Shape of Joint: Condyloid (ellipsoidal) /oval-shaped end of one bone fitting into oval-
shaped hollow of another bone
Number of Axes: Two
Joint Motions Allowed: permits movement in two planes
Example: radiocarpar-wrist metacarpophalangeal-knuckles
5.Type/Shape of Joint: saddle (sellar) /one of the bone is like a saddle and other bone resting on
it like a horse-rider
Number of Axes: biaxial (frontal and saggital planes)
Joint Motions Allowed: permits movement in two planes
Example: carpometacarpal- base of thumb
6.Type/Shape of Joint: ball and socket /ball-shaped surface of one rounded bone fits into the cup-
like depression of another bone
Number of Axes: Indifinite number of axes with a common center
Joint Motions Allowed: permits movement in three planes
Example: shoulder, hip.
Define and explain chemical equilibrium Include the defenition o.pdfalokkesh
Define and explain chemical equilibrium? Include the defenition of reactants and products
Define and explain chemical equilibrium? Include the defenition of reactants and products
Solution
In a chemical reaction, chemical equilibrium is the state in which both reactants and products are
available at concentrations which have no further inclination to change with time. Usually, this
state comes about when the forward reaction continues at an indistinguishable rate from the
reverse reaction. The reaction rates of the forward and backward reactions are, for the most part,
not zero, but rather equal. In this way, there are no net changes in the concentrations of the
reactant(s) and product(s).
Reactant:
The substances that outcome from the recombination of molecules is known as the products of
the reaction. At the point when chemical reactions are written down, the reactants are written on
the left side, in a similar way to a math equation; one reactant in addition to another.
Product:
Products are the species formed from chemical reactions. Amid a chemical reaction, reactants are
transformed into products in the wake of going through a high vitality transition state.
Simply the substances that are formed after the reactions of reactant, due to making of new
bonds in between the atoms/ions/molecules/compounds..
Cite the distinction between graphite and carbon. Carbon and graphit.pdfalokkesh
Cite the distinction between graphite and carbon. Carbon and graphite fibers are manufactured
by pyrolysis. Describe the process to produce fibers.
Solution
Carbon:
1)“Carbon” comes from the Latin word “carbo,” which in English means “charcoal.” It is an
element represented as the letter “C” and bearing the atomic number 6. Carbon is the fourth most
abundant element in the world and is essential to all living things and their respective processes.
All living things contain carbon.
2)Carbon produces the softest material (graphite) and the hardest substance (diamond). The main
difference among carbon substances is how the carbon forms in each matter. Carbon atoms bond
in chains and rings. In every carbon substance, a unique formation of carbon can be produced.
3)Carbon has a wide variety of uses both as pure carbon and carbon compounds. Primarily, it
acts as hydrocarbons in the form of methane gas and crude oil. Crude oil can be distilled into
gasoline and kerosene. Both substances serve as fuel for warmth, machines, and many others.
4)Carbon is also responsible for forming water, a necessary compound for life. It also exists as
polymers such as cellulose (in plants) and plastics.
5)Carbon has a wide variety of uses both as pure carbon and carbon compounds. Primarily, it
acts as hydrocarbons in the form of methane gas and crude oil. Crude oil can be distilled into
gasoline and kerosene. Both substances serve as fuel for warmth, machines, and many others.
6)Carbon is also responsible for forming water, a necessary compound for life. It also exists as
polymers such as cellulose (in plants) and plastics.
Graphite :
1)Graphite is an allotrope of carbon. It means that it is a substance made of pure carbon and is
made of only carbon. Other allotropes include diamonds, amorphous carbon, and charcoal.
2)Graphite comes from the Greek word “graphein,” which in English means “to write.” Formed
when carbon atoms link with each other into sheets, graphite is the most stable form of carbon.
3)Graphite is soft but very strong. It is resistant to heat and, at the same, a good conductor of
heat. Found in metamorphic rocks, it appears as a metallic but opaque substance in a color that
varies from dark grey to black. Graphite is greasy, a characteristic that makes it a good lubricant.
4)Graphite is also used as a pigment and a molding agent in glass manufacturing. Nuclear
reactors also use graphite as an electron moderator
b) process of manufacturing of Carbon and graphite fibers:
A precursor material, which is rich in carbon, is subjected to pyrolysis to extract its carbon
content.
Pyrolysis Pyrolysis: Thermochemical chemical decomposition decomposition of organic organic
material material when it is subjected subjected to elevated temperatures, but no oxygen.
Through such a process, the precursor organic material breaks down into gases, liquids, and a
solid residue which is rich in carbon.
Precursor: Precursor: It is a carbonrich chemical chemical compound, com.
C Language ProblemPlease Explain If int n1 = 5, and int d1 = 2, wh.pdfalokkesh
C Language Problem
Please Explain If int n1 = 5, and int d1 = 2, what are the results of the following operations?
(assume double frac) frac = (double)n1/(double)d1;frac = (double)n1/d1 + 3.5; frac =
(double)(n1/d1) + 2.5;
Solution
Here the heart of functionality is typecasting.
What is typecasting?
Type casting is a way to convert a variable from one data type to another data type.
frac = (double)n1/(double)d1;
n1 = 5 and d1 = 2
what this (double)n1/(double)d1 does..
here typecasting is preforming so
(double)n1 = 5.000000
(double)d1 = 2.000000
frac = 5.000000/2.000000
frac = 2.500000
frac = (double)n1/d1 + 3.5;
Here only n1 is typecasted into double
so n1 is 5.000000
and d1 is 2
(double)n1/d1 + 3.5 => (5.000000 / 2) + 3.5 => 2.500000 + 3.5 => 6.000000
frac is 6.000000
frac = (double)(n1/d1) + 3.5;
here there is no typecasting between n1 and d1 ... after division is perform then typecasting is
going to applied
so
(double)(n1/d1) + 3.5
(double)(5/2) + 3.5
(double)(2) + 3.5
2.000000 + 3.5
5.500000
Answer is 5.500000.
According to Cisco design theory for a fully switched network, hosts.pdfalokkesh
According to Cisco design theory for a fully switched network, hosts do not connect directly to
which types of switches?
A. Access
B. Core
C. Distribution
D. Cut through
E. Fragment free
Solution
B and C are correct. Hosts do not directly connect to core-or distribution-layer switches.
A, D, and E are incorrect. A is incorrect because access switches provide direct access to users.
D andE are incorrect because cut through and fragment free are switch modes, not design layers..
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14. (TCO 1-6) Please select the statement which CORRECTLY links a fo.pdf
1. 14. (TCO 1-6) Please select the statement which CORRECTLY links a food preservation method
with the appropriate reason(s)
(Points : 4)
Both salt and sugar preserve food by drawing water out of the plant or animal cells by osmosis.
Salting or sugaring essentially dehydrates the food, making it inhospitable to microbes,
especially bacteria. Dehydration also dramatically slows the action of enzymes that would
otherwise degrade the food.
Drying food, whether in the sun, in ovens, or in modern freeze drying involving vacuums,
removes water, making a food inhospitable to many microorganisms and slows its chemical
deterioration.
Cooling food whether historically in a cellar, cave, cold running stream, or “Ice-House”, or in
modern day refrigerators and freezers slows (or virtually stops in the case of freezing) a
bacterium’s metabolism, becoming less able to multiply or produce toxins.
In industrial canning ,the food to be canned is sorted, and any spoiled food is removed; the food
is washed; the food is parboiled or scalded to stop enzymatic processes and kill microorganisms
on the food’s surface; cans are filled and heated, air is siphoned out, and they are sealed; the
sealed cans are heated to a very high temperature by steam under pressure and then cooled in a
water bath.
In irradiation, foods are rid of most pathogenic microbes by gamma rays or other forms of
radiation, while frozen foods remain frozen and raw foods stay raw through the process.
All of the above correctly link a food preservation method with the appropriate reason(s).
Solution
All the above correctly link a food preservation method with the appropriate reasons.
All the statements are true.
