6,7,8,9,10,11,12 6. movement of a solvent (usually water) to regions.pdf
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6,7,8,9,10,11,12 6. movement of a solvent (usually water) to regions of The B. transport. C. diffusion. lower concentration is caled D. pumping. E. 7. A solution with a lower solute concentration than what it is being compared to is called B. hypertonic. C. D. hypnotic. 8. In fungi, and plants the high intermal pressure generated by osmosis is counteracted by the mechanical strength of their A. plasma B. organelles. C. cytoskeletons D. E. flagella. 9. The process of taking a solid into a cell is A. osmosis. B. pinocytosis. C. phagocytosis. D. diffusion. E. active transport. Solution 6). Osmosis 7). hypertonic 8). Cell walls 9). Phagocytosis 10). Facilitated diffusion 11).Exocytosis 12). Endocytosis.
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Homework hmwk 5 Score 0 of 1 pt Bookmatch 4-17 (bookstatic) Oli 3 .pdf
Homework: hmwk 5 Score: 0 of 1 pt Bookmatch 4-17 (book/static) Oli 3 of 5 (0 complete) HW
Score: Que (Ratio analysis) Artz, Inc.\'s financial statements for 2015 are shown in the popup
windowEE The chief financial officer for Artz has acquired industry averages for the following
ratios in the popup window: EEB a. Compute the ratios listed above for Artz. b. Compared to the
industry: (1) How liquid is the firm? (2) Are its managers generating attractive operating profit
on the firm\'s assets? (3) How is the firm financing its assets? 4) Are its managers generating a
good return on equity? a. Compute the ratios for Artz. The current ratio is (Round to two decimal
places.)
Solution
a. Current ratio = total current assets / total current liabilties
= 2000 / 800
= 2.5.
Hand geometry 1. Definition2. Importance3. Advantages and d.pdf
Hand geometry
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
Hand geometry
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
Solution
Hand geometry
(1) Definition
Hand geometry readers measure a user\'s hand along many dimensions and compare those
measurements to measurements stored in a file.
Hand geometry is a biometric that identifies users by the shape of their hands.
Hand geometry is not thought to be as unique as fingerprints, palm veins or irises, fingerprinting,
palm veins and iris recognition remain the preferred technology for high-security applications.
(2) Importance
Hand geometry biometrics is not a new technique. It is first mentioned in the early 70’s of the
20th century and it is older than palm print which is part of dactiloscopy.
This technique is widely accepted and the verification includes simple data processing.
Hand geometry is an ideal candidate for research and development of new acquisition,
preprocessing and verification techniques.
(3) Advantages
Disadvantages
Signature Recognition
(1) Definition Biometric identification by automatically scanning a person\'s signature and
matching it electronically against a library of own signature.
It is a behavioural biometric. It can be operated in two different ways: Static: In this mode, users
write their signature on paper, digitize it through an optical scanner or a camera, and the
biometric system recognizes the signature analyzing its shape.
(2) Importance
(3) Advantages
Disadvantages.
Find the general solution of the given differential equation. Sol.pdf
Find the general solution of the given differential equation.
Solution
Divide all over by x :
dy/dx + (5/x)y = x^2 - 1
Integrating factor = e^(integral of 5/x)
IF = e^(5ln(x))
IF = e^(ln(x^5))
IF = x^5
Multiply the DE by x^5 all over :
x^5 * [dy/dx + (5/x)y = x^2 - 1]
d/dx ( y * x^5) = x^7 - x^5
Integrating both sides :
y*x^5 = x^8/8 - x^6/6 + C
y = x^3/8 - x/6 + C/x^5 ---> ANSWER.
Disorders characterized by abnormal replication of cells that leads .pdf
Disorders characterized by abnormal replication of cells that leads to a formation of tumors are
Solution
Malignant(spreading) tumors.A malignant tumor contrasts with a non-cancerous benign tumor in
that a malignancy is not self-limited in its growth, is capable of invading into adjacent tissues,
and may be capable of spreading to distant tissues..
Differentiate between functions and formulas. Provide two examples o.pdf
Differentiate between functions and formulas. Provide two examples of each.
Solution
Formula : it is a statement which contains values ,refereneces to specific cells,names,and
functions also
Ex: equation always starts with equals to sign
=1+2+3
Function:
A function is used inside the formula to evaluate the equation .it nothing but few code
Ex: =sum(2+3)+5.
Could someone please solve this assignment using matlabSolution.pdf
Could someone please solve this assignment using matlab?
Solution
Before going on to discuss the five steps of creating a program it is important to determine what
exactly a program is. A program is a list of instructions that contain data for a computer to
follow. Different programs are written with different languages. An editing program is made
with a different programming \"language\" than one that uses graphics. Some well known
programming languages are COBOL -business, BASIC -language, and - C which is used in
science. Programming is complicated process,.
Consider the many protein functions. Identify the protein function by.pdf
Consider the many protein functions. Identify the protein function by a check mark. DNA
transcription encoding of genes cell membrane receptors ion channels DNA replication
Solution
1. DNA transcription: Transcription is the first step of gene expression, in which a particular
segment of DNA is copied into RNA by enzyme RNA polymerase.
2. Encoding of genes: Protein encoding genes, or protein coding sequences are commonly
described as structural or regulatory. Structural genes encode enzymes and proteins. So, this is a
function of proteins.
3. Cell membrane receptors: Cell surface receptors are integral proteins that bind to external
ligand molecule. SO, this is a function of protein.
4. Ion channels: Thy are pore forming membrane proteins whose functions include establishing a
resting membrane potential, Shaping action potential and other electrical signals by gating the
flow of ions across the cell membrane controlling the flow of ions across secretory and epithelial
cells and regulating cell volume.So, this is a function of proteins.
5. DNA replication: The process of DNA replication cannot work if the DNA strand cannot be
separated. To separate the DNA strands, proteins are used. So, this is a function of proteins..
a) Briefly describe three key differences between the genomes of pro.pdf
a) Briefly describe three key differences between the genomes of prokaryotes and the genomes
of multicellular eukaryotes.
b) Chromosome inversions can have a major impact on evolutionary processes. Describe how
chromosome inversions arise and the effect chromosome inversions have on the process of
meiosis. What is the potential evolutionary significance of chromosome inversions?
Solution
a)
Genomes of prokaryotes
Genomes of eukaryotes
Composed with single nacked, circular DNA.
Composed with many linear DNA molecules, number varies from species to species.
Chromosome organization is absent.
Chromosome organization is present.
Introns are absent.
Introns are present.
Centromeres, telomeres are absent
Centromeres, telomeres are present.
B) Chromosome inversion: Rearrangement of a chromosome segment. Inversion occurs when a
single chromosome undergoes breakage and rearrangement within itself.
These are two types includes pericentric inversions include a centromere, while paracentric
inversions do not.
Effect chromosome inversions have on the process of meiosis:
A major or key evolutionary effect of inversions is that they suppress recombination in
heterozygotes. This follows from the loss of unbalanced gametes that result from
recombination. Large inversions show very low (but still positive) rates of recombination as
heterozygotes, which results from double cross-overs and gene conversion, but the rates are
orders of magnitude smaller than those in homozygotes.
Evolutionary significance:
Like other types of mutations, inversions evolve under selection and random drift. Many
inversions, particularly small ones in intergenic regions, are likely to evolve neutrally (by drift
alone). Selection can result in three ways. Inversions can generate structural problems with
meiosis, as with some pericentric inversions. Alternatively, a breakpoint can disrupt an open
reading frame or alter gene expression. The consequences can be deleterious, as in some human
genetic diseases [6], but in other cases could cause an adaptive mutation. Finally, selection can
act on an inversion when it carries one or more selected alleles.
Genomes of prokaryotes
Genomes of eukaryotes
Composed with single nacked, circular DNA.
Composed with many linear DNA molecules, number varies from species to species.
Chromosome organization is absent.
Chromosome organization is present.
Introns are absent.
Introns are present.
Centromeres, telomeres are absent
Centromeres, telomeres are present..
Recommended
Homework hmwk 5 Score 0 of 1 pt Bookmatch 4-17 (bookstatic) Oli 3 .pdf
Homework: hmwk 5 Score: 0 of 1 pt Bookmatch 4-17 (book/static) Oli 3 of 5 (0 complete) HW
Score: Que (Ratio analysis) Artz, Inc.\'s financial statements for 2015 are shown in the popup
windowEE The chief financial officer for Artz has acquired industry averages for the following
ratios in the popup window: EEB a. Compute the ratios listed above for Artz. b. Compared to the
industry: (1) How liquid is the firm? (2) Are its managers generating attractive operating profit
on the firm\'s assets? (3) How is the firm financing its assets? 4) Are its managers generating a
good return on equity? a. Compute the ratios for Artz. The current ratio is (Round to two decimal
places.)
Solution
a. Current ratio = total current assets / total current liabilties
= 2000 / 800
= 2.5.
Hand geometry 1. Definition2. Importance3. Advantages and d.pdf
Hand geometry
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
Hand geometry
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
1. Definition
2. Importance
3. Advantages and disadvantages
Signature recognition
1. Definition
2. Importance
3. Advantages and disadvantages
Solution
Hand geometry
(1) Definition
Hand geometry readers measure a user\'s hand along many dimensions and compare those
measurements to measurements stored in a file.
Hand geometry is a biometric that identifies users by the shape of their hands.
Hand geometry is not thought to be as unique as fingerprints, palm veins or irises, fingerprinting,
palm veins and iris recognition remain the preferred technology for high-security applications.
(2) Importance
Hand geometry biometrics is not a new technique. It is first mentioned in the early 70’s of the
20th century and it is older than palm print which is part of dactiloscopy.
This technique is widely accepted and the verification includes simple data processing.
Hand geometry is an ideal candidate for research and development of new acquisition,
preprocessing and verification techniques.
(3) Advantages
Disadvantages
Signature Recognition
(1) Definition Biometric identification by automatically scanning a person\'s signature and
matching it electronically against a library of own signature.
It is a behavioural biometric. It can be operated in two different ways: Static: In this mode, users
write their signature on paper, digitize it through an optical scanner or a camera, and the
biometric system recognizes the signature analyzing its shape.
(2) Importance
(3) Advantages
Disadvantages.
Find the general solution of the given differential equation. Sol.pdf
Find the general solution of the given differential equation.
Solution
Divide all over by x :
dy/dx + (5/x)y = x^2 - 1
Integrating factor = e^(integral of 5/x)
IF = e^(5ln(x))
IF = e^(ln(x^5))
IF = x^5
Multiply the DE by x^5 all over :
x^5 * [dy/dx + (5/x)y = x^2 - 1]
d/dx ( y * x^5) = x^7 - x^5
Integrating both sides :
y*x^5 = x^8/8 - x^6/6 + C
y = x^3/8 - x/6 + C/x^5 ---> ANSWER.
Disorders characterized by abnormal replication of cells that leads .pdf
Disorders characterized by abnormal replication of cells that leads to a formation of tumors are
Solution
Malignant(spreading) tumors.A malignant tumor contrasts with a non-cancerous benign tumor in
that a malignancy is not self-limited in its growth, is capable of invading into adjacent tissues,
and may be capable of spreading to distant tissues..
Differentiate between functions and formulas. Provide two examples o.pdf
Differentiate between functions and formulas. Provide two examples of each.
Solution
Formula : it is a statement which contains values ,refereneces to specific cells,names,and
functions also
Ex: equation always starts with equals to sign
=1+2+3
Function:
A function is used inside the formula to evaluate the equation .it nothing but few code
Ex: =sum(2+3)+5.
Could someone please solve this assignment using matlabSolution.pdf
Could someone please solve this assignment using matlab?
Solution
Before going on to discuss the five steps of creating a program it is important to determine what
exactly a program is. A program is a list of instructions that contain data for a computer to
follow. Different programs are written with different languages. An editing program is made
with a different programming \"language\" than one that uses graphics. Some well known
programming languages are COBOL -business, BASIC -language, and - C which is used in
science. Programming is complicated process,.
Consider the many protein functions. Identify the protein function by.pdf
Consider the many protein functions. Identify the protein function by a check mark. DNA
transcription encoding of genes cell membrane receptors ion channels DNA replication
Solution
1. DNA transcription: Transcription is the first step of gene expression, in which a particular
segment of DNA is copied into RNA by enzyme RNA polymerase.
2. Encoding of genes: Protein encoding genes, or protein coding sequences are commonly
described as structural or regulatory. Structural genes encode enzymes and proteins. So, this is a
function of proteins.
3. Cell membrane receptors: Cell surface receptors are integral proteins that bind to external
ligand molecule. SO, this is a function of protein.
4. Ion channels: Thy are pore forming membrane proteins whose functions include establishing a
resting membrane potential, Shaping action potential and other electrical signals by gating the
flow of ions across the cell membrane controlling the flow of ions across secretory and epithelial
cells and regulating cell volume.So, this is a function of proteins.
5. DNA replication: The process of DNA replication cannot work if the DNA strand cannot be
separated. To separate the DNA strands, proteins are used. So, this is a function of proteins..
a) Briefly describe three key differences between the genomes of pro.pdf
a) Briefly describe three key differences between the genomes of prokaryotes and the genomes
of multicellular eukaryotes.
b) Chromosome inversions can have a major impact on evolutionary processes. Describe how
chromosome inversions arise and the effect chromosome inversions have on the process of
meiosis. What is the potential evolutionary significance of chromosome inversions?
Solution
a)
Genomes of prokaryotes
Genomes of eukaryotes
Composed with single nacked, circular DNA.
Composed with many linear DNA molecules, number varies from species to species.
Chromosome organization is absent.
Chromosome organization is present.
Introns are absent.
Introns are present.
Centromeres, telomeres are absent
Centromeres, telomeres are present.
B) Chromosome inversion: Rearrangement of a chromosome segment. Inversion occurs when a
single chromosome undergoes breakage and rearrangement within itself.
These are two types includes pericentric inversions include a centromere, while paracentric
inversions do not.
Effect chromosome inversions have on the process of meiosis:
A major or key evolutionary effect of inversions is that they suppress recombination in
heterozygotes. This follows from the loss of unbalanced gametes that result from
recombination. Large inversions show very low (but still positive) rates of recombination as
heterozygotes, which results from double cross-overs and gene conversion, but the rates are
orders of magnitude smaller than those in homozygotes.
Evolutionary significance:
Like other types of mutations, inversions evolve under selection and random drift. Many
inversions, particularly small ones in intergenic regions, are likely to evolve neutrally (by drift
alone). Selection can result in three ways. Inversions can generate structural problems with
meiosis, as with some pericentric inversions. Alternatively, a breakpoint can disrupt an open
reading frame or alter gene expression. The consequences can be deleterious, as in some human
genetic diseases [6], but in other cases could cause an adaptive mutation. Finally, selection can
act on an inversion when it carries one or more selected alleles.
Genomes of prokaryotes
Genomes of eukaryotes
Composed with single nacked, circular DNA.
Composed with many linear DNA molecules, number varies from species to species.
Chromosome organization is absent.
Chromosome organization is present.
Introns are absent.
Introns are present.
Centromeres, telomeres are absent
Centromeres, telomeres are present..
A.horizontal shift 2 units to the left and vertical shift 5 units up.pdf
A.horizontal shift 2 units to the left and vertical shift 5 units up
B. horizontal shift 2 units to the left and vertical shift 5 units down
C.horizontal shift 2 units to the right and vertical shift 5 units up
D. horizontal shift 2 units to the right and vertical shift 5 units down
E.vertical stretch by 2, horizontal shift 2 units to the left and vertical shift 5 units up
F.vertical stretch by 2, horizontal shift 2 units to the left and vertical shift 5 units down
G. vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units up
H.vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units down
I.vertical compression by 2, horizontal shift 2 units to the left and vertical shift 5 units up
J.vertical compression by 2, horizontal shift 2 units to the left and vertical shift 5 units down
K.vertical compression by 2, horizontal shift 2 units to the right and vertical shift 5 units up
L.vertical compression by 2, horizontal shift 2 units to the right and vertical shift 5 units
M.down none of the above
Solution
y = x^3
to
y = 2(x - 2)^3 + 5
Transformation 1 : x^3 becomes (x - 2)^3
This happens by \"right by 2 units\"
Transformation 2 : (x - 2)^3 becomes 2(x - 2)^3
This happens by \"vertical stretch by a factor of 2\"
Transformatipn 3 : 2(x - 2)^3 + 5
This happens by \"upshift by 5 units\"
So, the answer is :
G. vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units up.
1. inside source IP address and port number 172.16.1.2020translat.pdf
1. inside source IP address and port number 172.16.1.20:20
translated outside IP address 68.68.68.1:80
1. VPN address translation
2. Network address port translation
3. DMZ address translation
4. Network address translation
2. How many ports are used by computers for TCP/IP network traffic?
1. 65500
2. 1024
3. 65535
4. 6553
3. Which command prompt utility allows administrators to determine the actual path from one
computer to another?
1. tracert
2. NAT
3. dns flush
4. ping
4. Which UNIX tool is used to do a scan on itself?
1. traceroute
2. DHCP
3. netstat
4. ping localhost
5. Which type of VPN would be used to allow an organization to leverage the Internet backbone
to build a secure WAN between office branches?
1. remote user vpn
2. HTTP VPN
3. DMZ vpn
4. remote office vpn
6. What type of firewall uses routers with rules to grant or deny access based only on source
address, destination address, and port number?
1. packet-filtering gateway
2. application gateway
3. layer 3 gateway
4. hybrid gateway
7. A _______ attack will automatically attempt thousands or millions of passwords to gain
access to a system.
1. worm
2. virus
3. dictionary
4. logic bomb
8. What protocol is are layers 6 and 7 of the OSI model based on?
1. TCP/IP
2. IPsec
3. FTP
4. PPTP
9. Which network services provides the mapping and translation of domain names to IP
addresses?
1. HTTP
2. DHCP
3. DNS
4. FTP
10. With a proxy server enabled on a firewall, the firewall stores web pages where?
1. Local usb drive
2. RAM
3. Local hard drive
4. FTP server
11 The ________ provides definitions for seen layers, which each layer provides services that
depend on higher level layers depend on.
2. TCP
3. FTP
4. OSI
5. DNS
12. Which of the ways listed below can firewall security be completely bypassed? (Multiple
answers)
1. HTTP sites are never secure
2. E-mail is never secure
3. A computer not owned by the enterprise should never be connected to the enterprise
4. Files from home computers and files from office computers should never commingle.
Solution
Q1
4. Network address translation
Q2
3. 65535
Q3
1. tracert
Q6
1. packet-filtering gateway
Q7
2. virus.
25. How many integers between 1 and 1400 are divisible by either 2 o.pdf
25. How many integers between 1 and 1400 are divisible by either 2 or 7 ?
Solution
number of integers which are divisible by 2 =1400/2 = 700
number of integers which are divisible by 7 = 1400/7 = 200
number of integers which are divisible by both 2,7(i.e divisible by 14) = 1400/14= 100
=>
number of integers which are divisible by 2 or 7 = 700 +200 -100 = 800.
6. Which of the following epithelia andor cell surface modifications.pdf
6. Which of the following epithelia and/or cell surface modifications are present in large
bronchi? (Check allthat apply.) 6 a. Cilia b. goblet cells C. microvilli d. pseudostratified ciliated
columnar epithelium e. stratified squamous epithelium
Solution
d. Pseudostratified ciliated columnar epithelium- it secretes mucus and the cilia helps to move
the mucus..
1- An information security manager routinely monitored Web Surfing a.pdf
1- An information security manager routinely monitored Web Surfing among her company\'s
employees. She discovered that many employees were visiting the \"sinful six\" web sites (Note:
The \"sinful six\" are web sites with material related to pornography, gambling, hate, illegal
activities, tastelessness and violence.) She then prepared a list of the employees and their surfing
histories and gave the list to management. Some managers punished their employees. Some
employees, in turn, objected to the monitoring claiming that they should have a right to
privacy.With this in mind, please answer the following two questions:
a- Is monitoring of web surfing by managers ethical, (it is legal to do this)? -- Support your
answer.
b- Is employee web surfing on the \"sinful six\" ethical? Support your answers.
2-Discuss the idea that an information system by itself can rarely provide a sustainable
competitive advantage. Justify your position.
3- Discuss why the Sarbanes-Oxley Act is having an impact on information security. Support
your answer.
4- How are the network applications of communication and collaboration related? Do
communication tools also support collaboration? Give Examples. (NOTE: there are two
questions that need to be answered in your response. I will be looking to see if both questions are
answered accordingly)
5- Explain why master data management is so important in companies that have multiple data
sources.
Solution
Ans 1.
a)
Yes, monitoring of web surfing is ethical and an important duty of both network administrator
and Information Security managers too. Any unethical use of the system can be detected only by
scrutinizing the system. Though in the given scenario, some employees think it to be intrusion of
their privacy but using organizational resources for their own private uses, and that too surfing
pornographic sites, in office hours is completely unethical both professionally and morally. As
the company must have female employees too and surfing pornography in front of them has high
probability of causing embarrassment to them. Company has provided the computer and internet
connection for official works only but using them for own personal use is at all not acceptable.
Hence it is the employees’ duty to use office provided computer and internet connection for
office works only and not to stray into one of the “sinful six” websites.
b)
No, it is not ethical on part of the employee to surf sites like “sinful six”. Firstly, the organization
must definitely have female employees and surfing pornographic sites will definitely cause
embarrassment to them. Secondly, the computer and internet resources provided by the company
are for official purpose only. Wasting company resources and time on visiting sites related to
pornography, gambling is not ethical for employees. Thirdly, several companies have clearly
stated policies on refraining use of official IT resources on visiting sites especially related to
pornography or gambling. Hence .
1. Europeans view Americans as people similar in ideas and cultur.pdf
1. Europeans view Americans as people similar in ideas and culture. However, Americans tend
to disagree with the European viewpoint. This situation exemplifies _____.
Solution
Cultural Superiority or \"Ethnocentrism
==================================
Ethnocentrism is judging another culture exclusively by the qualities and standards of one\'s own
way of life. Ethnocentric people judge different gatherings in respect to their own ethnic
gathering or culture, particularly with sympathy toward dialect, conduct, traditions, and religion.
These ethnic refinements and subdivisions serve to characterize every ethnicity\'s one of a kind
social personality.
(TRUE FALSE) The use of swap rates rather than treasury rates as a.pdf
(TRUE / FALSE) The use of swap rates rather than treasury rates as a basis for pricing fixed-rate
debt came about partly as a result of events (such as the Russian debt default) causing “flights to
quality” that distorted US treasury yields as reflective of true long-term risk.
Solution
Its true because treasury rate is not reflecting true risk for the pricing fixed rate debt. Swap rate is
good proxy for treasury rate for pricing fixed rate debt..
Can a single magnetic pole (either a north pole or a south pole) be i.pdf
Can a single magnetic pole (either a north pole or a south pole) be isolated? Can it exist by
itself? Explain. Can a single charge (either a positive charge or a negative charge) exist by
itself? List some sources of magnetic fields. How are they produced? What is the source of
Earth\'s magnetic field? How does Earth\'s geographic North Pole correspond to a magnetic
south pole? Explain. How do different poles (north and south) interact with each other (e.g.
attract or repel).
Solution
a) single magnetic pole are hypothetical elements; mono poles can not exist ; and it is not
possible to either seperate north pole or south pole. Magnetic poles exist always in pairs with
north and south on either end , how small you cut a magnet into pieces even into atomic scale
you will eventually creating a north and south pole but never a mono pole.
b)Mono poles exist in electric field; a single positive charge can exist sperated from a single
negative. but the net charge of the universe is alwasy zero ; we can creat positive and neagtive
charges in pairs and seperate them individually , such that the existanceof one will not influence
the other . but for evey positve charge in this universe there is a negative charge created.
c)earth magnetic field is the alwasy present untill there is motion of the hot molten metallic
currents at the centre of earth. in general current produces magnetic field ; some of the magnetic
sources are hard disk drives have thin magnetic coating; magnetic compass needles and some
naturally occuring magnetic materials. earth points its magnetic north to the magnetic south pole
; since earth behaves like a tiny magnet placed in magnetic field of sun.
so a tiny magnetic always shows its geographic north to the magnetic south pole when placed
near a magnet.
d) opposite poles attract and like poles repel ; north repels north and south repels south ; north
attracts south and vice versa.
Write a recursive function in java named fib that will accept one in.pdf
Write a recursive function in java named fib that will accept one int parameter greater than or
equal to one, then calculate the Fibonacci sequence of that number.
Formula: Fn = Fn - 1 + Fn - 2. Please do not use loops. Also, this is only my second java class
so please keep answer simple enough. Thanks
Solution
public int fib(int n)
{
if(n==0)
return 0;
else if(n==1)
return 1;
else
return fib(n-1)+fib(n-2);
}.
Why are culture media sterilized before they are used Do you think .pdf
Why are culture media sterilized before they are used? Do you think that slants are autoclaved
before or after they are solidified? Explain.
Solution
Answer:-4:-The culture media are sterlized for preventing the explant from being infected by
bacteria, spores or fungal infectuon. Its done through milipore filter because autoclaving would
decompose the organic nutrients (Amino acids, vitamins, glucose) as they are thermo labile.
Answer:-4:-Slabts are autoclaved before beacuse after autoclaving it would melt agar nutrient
medium..
What recent and past actions have Canada and the US taken to counter.pdf
What recent and past actions have Canada and the US taken to counteract their exchange rates
with the economy in such distress over the past 10 years?
Solution
Since 2007, the world has experienced a period of severe financial stress, not seen since the time
of the Great Depression. This crisis started with the collapse of the subprime residential
mortgage market in the United States and spread to the rest of the world through exposure to
U.S. real estate assets, often in the form of complex financial derivatives, and a collapse in global
trade. Many countries were significantly affected by these adverse shocks, causing systemic
banking crises in a number of countries, despite extraordinary policy interventions. Systemic
banking crises are disruptive events not only to financial systems but to the economy as a whole.
Such crises are not specific to the recent past or specific countries – almost no country has
avoided the experience and some have had multiple banking crises. While the banking crises of
the past have differed in terms of underlying causes, triggers, and economic impact, they share
many commonalities. Banking crises are often preceded by prolonged periods of high credit
growth and are often associated with large imbalances in the balance sheets of the private sector,
such as maturity mismatches or exchange rate risk, that ultimately translate into credit risk for
the banking sector.
Crisis management starts with the containment of liquidity pressures through liquidity support,
guarantees on bank liabilities, deposit freezes, or bank holidays. This containment phase is
followed by a resolution phase during which typically a broad range of measures (such as capital
injections, asset purchases, and guarantees) are taken to restructure banks and reignite economic
growth. It is intrinsically difficult to compare the success of crisis resolution policies given
differences across countries and time in the size of the initial shock to the financial system, the
size of the financial system, the quality of institutions, and the intensity and scope of policy
interventions. With this caveat we now compare policy responses during the recent crisis episode
with those of the past. The policy responses during the 2007-2009 crises episodes were broadly
similar to those used in the past. First, liquidity pressures were contained through liquidity
support and guarantees on bank liabilities. Like the crises of the past, during which bank
holidays and deposit freezes have rarely been used as containment policies, we have no records
of the use of bank holidays during the recent wave of crises, while a deposit freeze was used only
in the case of Latvia for deposits in Parex Bank. On the resolution side, a wide array of
instruments was used this time, including asset purchases, asset guarantees, and equity injections.
All these measures have been used in the past, but this time around they seem to have been put in
place quicker (for detailed informatio.
What are the protocols in data transfer between CAD systems Which o.pdf
What are the protocols in data transfer between CAD systems? Which one is most widely used?
What types of data may not be transferred accurately or correctly?
Solution
Answer-
Transferring CAD files electronically is the norm, rather than the exception, for today\'s
manufacturing world. In the past, shops relied on blueprints.File translation is a process in which
one data format is converted into another. File translators are written independently by each
CAD or CAM software company. Some design teams may use several different types of CAD
packages to communicate with different teams or complete specific functions. One design model
may be exported and imported into several CAD packages before the final file reaches
manufacturing. There are numerous file formats on the market today. You can encounter IGES,
CADL, DXF, ASCII, NCAL, PAR, PRT, SAT, SUP, STL, X_T, MODEL, the various European
and American automotive formats, and other file extensions.The International Standards
Organization (ISO) is working with American, European and Asian businesses and government
agencies to implement a standard for transferring electronic data, called the International
STandard for the Exchange of Product Model Data (STEP).STEP, called Application Protocols
(APs), which are built into a common data model.
A well-built CAM translator translates all types of files quickly and accurately.
What do you think is the best medium for transmission of a signal P.pdf
What do you think is the best medium for transmission of a signal? Please explain your answer.
Solution
TRANSMISSION MEDIA
The means through which data is transformed from one place to another is called transmission or
communication media. There are two categories of transmission media used in computer
communications.
1. BOUNDED MEDIA:
Bounded media are the physical links through which signals are confined to narrow path. These
are also called guide media. Bounded media are made up o a external conductor (Usually
Copper) bounded by jacket material. Bounded media are great for LABS because they offer high
speed, good security and low cast. However, some time they cannot be used due distance
communication. Three common types of bounded media are used of the data transmission. These
are
UNDUIDED MEDIA
Unguided media, or wireless communication, transport electromagnetic waves without using a
physical conductor. Unguided Transmission Media consists of a means for the data signals to
travel but nothing to guide them along a specific path. The data signals are not bound to a
cabling media and as such are often called Unbound Media.
Signals are broadcast through air and thus are available to anyone who has a device capable of
receiving them. In wireless communication, transmission and reception are achieved using an
antenna. Transmitter sends out the electromagnetic signal into the medium. Receiver picks up the
signal from the surrounding medium.
Wireless transmission can be divided into three groups: radio waves, microwave, and infrared
waves. The section of the electromagnetic spectrum defined as radio communication is divided
into eight ranges, called bands.
These bands are rated form very low frequency (VLF) to extremely high frequency (EHF).
Transmission medium
Unguided medium.
There 4 basic types of Guided Media : Open Wire, Twisted Pair, Coaxial Cable, and Optical
Fiber. Coaxial cable (or coax) carries signals of higher frequency ranges than twisted-pair cable.
A fiber-optic cable is made of glass or plastic and transmits signals in the form of light..
We selected a sample of 14 respondents from the 2006 MTF. We present .pdf
We selected a sample of 14 respondents from the 2006 MTF. We present their number of
moving (traffic) violations in the last 12 months along with their residential area (residential area
is the independent variable). Use the proceeding output to discuss the significance of the F and P
values. Is the relationship between city size and traffic violations significant?
Solution
Yes. The relationship between city size and traffic violations are significant.
Because the P-value is 0.004, which is very less, so we reject the hypothesis that there is no
relationship between city size and tarffic violations..
This feature of the hand or front foot characterizes primates The ma.pdf
This feature of the hand or front foot characterizes primates The mantle in the mollusk secretes
the Protosome exhibit cleavage; duetrostomers exhibit cleavage This structure initiates heart
contraction This part of the heart pumps blood to the muscles The contraction of the heart is
known as These leaf openings allow the exchange of gases between the leaf and the air In terms
of numbers, the most successful phylum on the planet is the Excretory apparatus present in the
phylum Platyhelminthes which function primarily to maintain osmotic balance of the animals is
In the animal subkingdom the animals lack symmetry and possess neither tissues nor organs. A
is a mass of hyphae viruses are coated fragments of DNA or RNA that have become detached
from the genomes of cells and have the ability to replicate themselves within cells. Method of
obtaining nourishment by straining minute organic particle from Water Spore formimg protist
that has no means of locomotion The genetic alteration of a cell\'s genome by the introduction of
foreign DNA is called Xylem consists of two basic types of cells and Some protists are
photosynthetic autotrophs and are called The parasite that is responsible for causing malaria is
called The tropical diseases such as sleeping sickness. East Coast fever. Chaga\'s disease, and
leishmaniasis are caused by
Solution
63. HAND OR FRONT FOOT CHARACTERISTIC PRIMATES.............shows opposable
thumbs.
The radiation emitted by an X-ray tube has a minimum wavelength of.pdf
The radiation emitted by an X-ray tube has a minimum wavelength of 0.1e-10m. At what
potential is the tube being operated?
The radiation emitted by an X-ray tube has a minimum wavelength of 0.1e-10m. At what
potential is the tube being operated?
Solution
X ray frequency (f) = eV/h
wavelength = c/f
V = hf/e
V = hc/e*wavelength
V = 6.62*10^-34*3*10^8/1.6*10^-19*10^-11
V = 12.4*10^4 volts.
The following IP datagram is sent to a destination across a network w.pdf
The following IP datagram is sent to a destination across a network with an MTU of 500. Using
the first diagram, shows the header portions of the first two packet fragments that reach the
destination (assuming arrival in order). Note all numbers are in base 10. Note that you should
put a value in the data size space?
Solution
packet 1:
packet 2:
The data is of size 786 as in the total length field the value is 806 which is data+header. we know
that the header length is 20bytes the data will be 786.
The MTU is 500(both data and header)
Therefore the 1st packet can send data upto 480 bytes. which is also equal to fragmentation
offset because the next data has to be appended to these 480 bytes for complete information.
the left out data is 306, so the total length is 326(306+20).As first packet could not carry the
whole message it has to intimate the reciever there is more data to come, to indicate the flag
value is set to 1, which is not the case in packet 2 so the flag is set to 0.45TOS500681480.
The baking yeast is the preferred organism to generate biofuels. Howe.pdf
The baking yeast is the preferred organism to generate biofuels. However, it requires processed
sugar to generate ethanol, which may put a strain on the food industry. Therefore, you decide to
choose a photosynthetic organism to generate bioethanol. You select cyanobacteria. which use
the sunlight as the primary energy for cell growth and proliferation. What are the two enzymes
for which you would like to clone the coding genes and express in cyanobacteria? What are their
respective substrate(s) and product(s)? Name the enzyme(s) that is/are also expressed in humans
and describe its/their functions.
Solution
ans. The roke of yeast in production of ethanol is the most important element that distinguishes
wine from grape juice,
In the absence of oxygen that is under anerobic conditions yeast converts the sugar into ethanol
and carbondioxide throufg the process of fermentation.
1, The two enzymes are pyruvate decaroxylase(pdc) and alcohol dehydrogenase. (adh)
The coding sequence from both the enzymes frm the bacterium zymomonas is cloned into a
shuttle vector pCB4r and then transform into cynobacteria strain
2. The major pathway for synthesis of bioethanol involves
PDC catalyses the non oxidative decarboxylation of pyruvate which results in the production of
acetaldehyde and carbon dioxide
Acetaldehyde is then reduced to alcohol by alcohol dehydrogenase.
PDC is tetramer of 4 identical subunit of 50kd mass.
2 isozymes of ADH present.
3. Enzymes in human for ethanol production is
ADH4 which is present in gut.
Bumpers Body Shop began business as a corporation in 2010. Several .pdf
Bumper\'s Body Shop began business as a corporation in 2010. Several transactions which
occurred early in 2010 are described below January 21, 2010-stockholders invested cash of
$25,000 in the business and received 2,500 shares of $10 par value common stock as evidence of
their ownership interest. February 1, 2010-rent of $800 was paid for the month of February.
February 5, 2010-equipment with a cost of $1,400 was purchased on credit; payment is due
within 30 days. February 10, 2010-bills totaling $3,200 were presented to customers for body
work and painting services completed $1,700 was received in cash immediately; the balance of
$1,500 is due within 10 days. February 18, 2010-payment of $1,400 was made for the equipment
purchased on February 5 February 20, 2010-payment of $900 was received from customers with
balances due from February 10. February 28, 2010-employee salaries of $1,600 were paid.
February 28, 2010-declared and paid a dividend of $100 Use the format presented below to
indicate the effects of each transaction on the accounting equation. Enter the amount by which an
account increases or decreases in the column provided for that account. Use 0 to indicate
decreases. Prepare an Income Statement, Statement of Retained Earnings, Balance Sheet and a
Statement of Cash = Liabilities + Owners\' Equity + Revenue-Expenses Cash + AR + Equipment
= AP + Stock + Retained Earnings + Revenue-Expenses
Solution
Answer
Asset = Liabilities + Stockholders’ Equity.
Every transaction will follow accounting equation and that accounting equation will always
match.
Assets
=
Liabilities
+
Owners\' Equity
+
Revenue
-
Expenses
Date
Cash
+
A/R
+
Equipment
=
A/P
+
Stock
+
Retained earnings
+
Jan 21, 2010
25000
+
+
=
+
25000
+
+
-
Feb 1, 2010
(800)
+
+
=
+
+
+
-
800
Feb 5, 2010
+
+
1400
=
1400
+
+
+
-
Feb 10, 2010
1700
+
1500
+
=
+
+
+
3200
-
Feb 18, 2010
91400)
+
+
=
(1400)
+
+
+
-
Feb 20, 2010
900
+
(900)
+
=
+
+
+
-
Feb 28, 2010
(1600)
+
+
=
+
+
+
-
1600
Feb 28, 2010
(100)
+
+
=
+
+
(100)
+
-
Assets
=
Liabilities
+
Owners\' Equity
+
Revenue
-
Expenses
Date
Cash
+
A/R
+
Equipment
=
A/P
+
Stock
+
Retained earnings
+
Jan 21, 2010
25000
+
+
=
+
25000
+
+
-
Feb 1, 2010
(800)
+
+
=
+
+
+
-
800
Feb 5, 2010
+
+
1400
=
1400
+
+
+
-
Feb 10, 2010
1700
+
1500
+
=
+
+
+
3200
-
Feb 18, 2010
91400)
+
+
=
(1400)
+
+
+
-
Feb 20, 2010
900
+
(900)
+
=
+
+
+
-
Feb 28, 2010
(1600)
+
+
=
+
+
+
-
1600
Feb 28, 2010
(100)
+
+
=
+
+
(100)
+
-.
Produce a new version of k-means called MR-K-means(Multi-run K-mean.pdf
Produce a new version of k-means called MR-K-means(\"Multi-run K-means\") in R, which has
the following inputs: The number of clusters k (same as K-means) Random number \"meta
seed\" s (has the same type as the k-means seed) A cluster evaluation measure eval (1, 2, 3, or 4
referring to the four clustering evaluation measure introduced earlier) MR-K-means runs K-
means 10 times (with different seeds) obtaining clustering X1, ..., X10 returning the clustering
Xi with the highest value eval(X1) as well as the maximum, average, minimum value and
standard deviation of eval(X1)..eval(X10). The language is R.
Solution
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Callable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import smile.math.Math;
import smile.util.MulticoreExecutor;
public class KMeans extends PartitionClustering {
private static final Logger logger = LoggerFactory.getLogger(KMeans.class);
/**
* The total distortion.
*/
double distortion;
/**
* The centroids of each cluster.
*/
double[][] centroids;
/**
* Constructor.
*/
KMeans() {
}
/**
* Returns the distortion.
*/
public double distortion() {
return distortion;
}
/**
* Returns the centroids.
*/
public double[][] centroids() {
return centroids;
}
/**
* Cluster a new instance.
* @param x a new instance.
* @return the cluster label, which is the index of nearest centroid.
*/
@Override
public int predict(double[] x) {
double minDist = Double.MAX_VALUE;
int bestCluster = 0;
for (int i = 0; i < k; i++) {
double dist = Math.squaredDistance(x, centroids[i]);
if (dist < minDist) {
minDist = dist;
bestCluster = i;
}
}
return bestCluster;
}
public KMeans(double[][] data, int k) {
this(data, k, 100);
}
public KMeans(double[][] data, int k, int maxIter) {
this(new BBDTree(data), data, k, maxIter);
}
/**
* Constructor. Clustering data into k clusters.
* @param bbd the BBD-tree of data for fast clustering.
* @param data the input data of which each row is a sample.
* @param k the number of clusters.
* @param maxIter the maximum number of iterations for each running.
*/
KMeans(BBDTree bbd, double[][] data, int k, int maxIter) {
if (k < 2) {
throw new IllegalArgumentException(\"Invalid number of clusters: \" + k);
}
if (maxIter <= 0) {
throw new IllegalArgumentException(\"Invalid maximum number of iterations: \" + maxIter);
}
int n = data.length;
int d = data[0].length;
this.k = k;
distortion = Double.MAX_VALUE;
y = seed(data, k, ClusteringDistance.EUCLIDEAN);
size = new int[k];
centroids = new double[k][d];
for (int i = 0; i < n; i++) {
size[y[i]]++;
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < d; j++) {
centroids[y[i]][j] += data[i][j];
}
}
for (int i = 0; i < k; i++) {
for (int j = 0; j < d; j++) {
centroids[i][j] /= size[i];
}
}
double[][] sums = new double[k][d];
for (int iter = 1; iter <= maxIter; iter++) {
double dist = bbd.clustering(centroids, sums, size, y);
for (int i = 0; i < k; i++) {
if (size[i] > 0) {
for (int j .
Introduction to AI for Nonprofits with Tapp Network
Dive into the world of AI! Experts Jon Hill and Tareq Monaur will guide you through AI's role in enhancing nonprofit websites and basic marketing strategies, making it easy to understand and apply.
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A.horizontal shift 2 units to the left and vertical shift 5 units up.pdf
A.horizontal shift 2 units to the left and vertical shift 5 units up
B. horizontal shift 2 units to the left and vertical shift 5 units down
C.horizontal shift 2 units to the right and vertical shift 5 units up
D. horizontal shift 2 units to the right and vertical shift 5 units down
E.vertical stretch by 2, horizontal shift 2 units to the left and vertical shift 5 units up
F.vertical stretch by 2, horizontal shift 2 units to the left and vertical shift 5 units down
G. vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units up
H.vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units down
I.vertical compression by 2, horizontal shift 2 units to the left and vertical shift 5 units up
J.vertical compression by 2, horizontal shift 2 units to the left and vertical shift 5 units down
K.vertical compression by 2, horizontal shift 2 units to the right and vertical shift 5 units up
L.vertical compression by 2, horizontal shift 2 units to the right and vertical shift 5 units
M.down none of the above
Solution
y = x^3
to
y = 2(x - 2)^3 + 5
Transformation 1 : x^3 becomes (x - 2)^3
This happens by \"right by 2 units\"
Transformation 2 : (x - 2)^3 becomes 2(x - 2)^3
This happens by \"vertical stretch by a factor of 2\"
Transformatipn 3 : 2(x - 2)^3 + 5
This happens by \"upshift by 5 units\"
So, the answer is :
G. vertical stretch by 2, horizontal shift 2 units to the right and vertical shift 5 units up.
1. inside source IP address and port number 172.16.1.2020translat.pdf
1. inside source IP address and port number 172.16.1.20:20
translated outside IP address 68.68.68.1:80
1. VPN address translation
2. Network address port translation
3. DMZ address translation
4. Network address translation
2. How many ports are used by computers for TCP/IP network traffic?
1. 65500
2. 1024
3. 65535
4. 6553
3. Which command prompt utility allows administrators to determine the actual path from one
computer to another?
1. tracert
2. NAT
3. dns flush
4. ping
4. Which UNIX tool is used to do a scan on itself?
1. traceroute
2. DHCP
3. netstat
4. ping localhost
5. Which type of VPN would be used to allow an organization to leverage the Internet backbone
to build a secure WAN between office branches?
1. remote user vpn
2. HTTP VPN
3. DMZ vpn
4. remote office vpn
6. What type of firewall uses routers with rules to grant or deny access based only on source
address, destination address, and port number?
1. packet-filtering gateway
2. application gateway
3. layer 3 gateway
4. hybrid gateway
7. A _______ attack will automatically attempt thousands or millions of passwords to gain
access to a system.
1. worm
2. virus
3. dictionary
4. logic bomb
8. What protocol is are layers 6 and 7 of the OSI model based on?
1. TCP/IP
2. IPsec
3. FTP
4. PPTP
9. Which network services provides the mapping and translation of domain names to IP
addresses?
1. HTTP
2. DHCP
3. DNS
4. FTP
10. With a proxy server enabled on a firewall, the firewall stores web pages where?
1. Local usb drive
2. RAM
3. Local hard drive
4. FTP server
11 The ________ provides definitions for seen layers, which each layer provides services that
depend on higher level layers depend on.
2. TCP
3. FTP
4. OSI
5. DNS
12. Which of the ways listed below can firewall security be completely bypassed? (Multiple
answers)
1. HTTP sites are never secure
2. E-mail is never secure
3. A computer not owned by the enterprise should never be connected to the enterprise
4. Files from home computers and files from office computers should never commingle.
Solution
Q1
4. Network address translation
Q2
3. 65535
Q3
1. tracert
Q6
1. packet-filtering gateway
Q7
2. virus.
25. How many integers between 1 and 1400 are divisible by either 2 o.pdf
25. How many integers between 1 and 1400 are divisible by either 2 or 7 ?
Solution
number of integers which are divisible by 2 =1400/2 = 700
number of integers which are divisible by 7 = 1400/7 = 200
number of integers which are divisible by both 2,7(i.e divisible by 14) = 1400/14= 100
=>
number of integers which are divisible by 2 or 7 = 700 +200 -100 = 800.
6. Which of the following epithelia andor cell surface modifications.pdf
6. Which of the following epithelia and/or cell surface modifications are present in large
bronchi? (Check allthat apply.) 6 a. Cilia b. goblet cells C. microvilli d. pseudostratified ciliated
columnar epithelium e. stratified squamous epithelium
Solution
d. Pseudostratified ciliated columnar epithelium- it secretes mucus and the cilia helps to move
the mucus..
1- An information security manager routinely monitored Web Surfing a.pdf
1- An information security manager routinely monitored Web Surfing among her company\'s
employees. She discovered that many employees were visiting the \"sinful six\" web sites (Note:
The \"sinful six\" are web sites with material related to pornography, gambling, hate, illegal
activities, tastelessness and violence.) She then prepared a list of the employees and their surfing
histories and gave the list to management. Some managers punished their employees. Some
employees, in turn, objected to the monitoring claiming that they should have a right to
privacy.With this in mind, please answer the following two questions:
a- Is monitoring of web surfing by managers ethical, (it is legal to do this)? -- Support your
answer.
b- Is employee web surfing on the \"sinful six\" ethical? Support your answers.
2-Discuss the idea that an information system by itself can rarely provide a sustainable
competitive advantage. Justify your position.
3- Discuss why the Sarbanes-Oxley Act is having an impact on information security. Support
your answer.
4- How are the network applications of communication and collaboration related? Do
communication tools also support collaboration? Give Examples. (NOTE: there are two
questions that need to be answered in your response. I will be looking to see if both questions are
answered accordingly)
5- Explain why master data management is so important in companies that have multiple data
sources.
Solution
Ans 1.
a)
Yes, monitoring of web surfing is ethical and an important duty of both network administrator
and Information Security managers too. Any unethical use of the system can be detected only by
scrutinizing the system. Though in the given scenario, some employees think it to be intrusion of
their privacy but using organizational resources for their own private uses, and that too surfing
pornographic sites, in office hours is completely unethical both professionally and morally. As
the company must have female employees too and surfing pornography in front of them has high
probability of causing embarrassment to them. Company has provided the computer and internet
connection for official works only but using them for own personal use is at all not acceptable.
Hence it is the employees’ duty to use office provided computer and internet connection for
office works only and not to stray into one of the “sinful six” websites.
b)
No, it is not ethical on part of the employee to surf sites like “sinful six”. Firstly, the organization
must definitely have female employees and surfing pornographic sites will definitely cause
embarrassment to them. Secondly, the computer and internet resources provided by the company
are for official purpose only. Wasting company resources and time on visiting sites related to
pornography, gambling is not ethical for employees. Thirdly, several companies have clearly
stated policies on refraining use of official IT resources on visiting sites especially related to
pornography or gambling. Hence .
1. Europeans view Americans as people similar in ideas and cultur.pdf
1. Europeans view Americans as people similar in ideas and culture. However, Americans tend
to disagree with the European viewpoint. This situation exemplifies _____.
Solution
Cultural Superiority or \"Ethnocentrism
==================================
Ethnocentrism is judging another culture exclusively by the qualities and standards of one\'s own
way of life. Ethnocentric people judge different gatherings in respect to their own ethnic
gathering or culture, particularly with sympathy toward dialect, conduct, traditions, and religion.
These ethnic refinements and subdivisions serve to characterize every ethnicity\'s one of a kind
social personality.
(TRUE FALSE) The use of swap rates rather than treasury rates as a.pdf
(TRUE / FALSE) The use of swap rates rather than treasury rates as a basis for pricing fixed-rate
debt came about partly as a result of events (such as the Russian debt default) causing “flights to
quality” that distorted US treasury yields as reflective of true long-term risk.
Solution
Its true because treasury rate is not reflecting true risk for the pricing fixed rate debt. Swap rate is
good proxy for treasury rate for pricing fixed rate debt..
Can a single magnetic pole (either a north pole or a south pole) be i.pdf
Can a single magnetic pole (either a north pole or a south pole) be isolated? Can it exist by
itself? Explain. Can a single charge (either a positive charge or a negative charge) exist by
itself? List some sources of magnetic fields. How are they produced? What is the source of
Earth\'s magnetic field? How does Earth\'s geographic North Pole correspond to a magnetic
south pole? Explain. How do different poles (north and south) interact with each other (e.g.
attract or repel).
Solution
a) single magnetic pole are hypothetical elements; mono poles can not exist ; and it is not
possible to either seperate north pole or south pole. Magnetic poles exist always in pairs with
north and south on either end , how small you cut a magnet into pieces even into atomic scale
you will eventually creating a north and south pole but never a mono pole.
b)Mono poles exist in electric field; a single positive charge can exist sperated from a single
negative. but the net charge of the universe is alwasy zero ; we can creat positive and neagtive
charges in pairs and seperate them individually , such that the existanceof one will not influence
the other . but for evey positve charge in this universe there is a negative charge created.
c)earth magnetic field is the alwasy present untill there is motion of the hot molten metallic
currents at the centre of earth. in general current produces magnetic field ; some of the magnetic
sources are hard disk drives have thin magnetic coating; magnetic compass needles and some
naturally occuring magnetic materials. earth points its magnetic north to the magnetic south pole
; since earth behaves like a tiny magnet placed in magnetic field of sun.
so a tiny magnetic always shows its geographic north to the magnetic south pole when placed
near a magnet.
d) opposite poles attract and like poles repel ; north repels north and south repels south ; north
attracts south and vice versa.
Write a recursive function in java named fib that will accept one in.pdf
Write a recursive function in java named fib that will accept one int parameter greater than or
equal to one, then calculate the Fibonacci sequence of that number.
Formula: Fn = Fn - 1 + Fn - 2. Please do not use loops. Also, this is only my second java class
so please keep answer simple enough. Thanks
Solution
public int fib(int n)
{
if(n==0)
return 0;
else if(n==1)
return 1;
else
return fib(n-1)+fib(n-2);
}.
Why are culture media sterilized before they are used Do you think .pdf
Why are culture media sterilized before they are used? Do you think that slants are autoclaved
before or after they are solidified? Explain.
Solution
Answer:-4:-The culture media are sterlized for preventing the explant from being infected by
bacteria, spores or fungal infectuon. Its done through milipore filter because autoclaving would
decompose the organic nutrients (Amino acids, vitamins, glucose) as they are thermo labile.
Answer:-4:-Slabts are autoclaved before beacuse after autoclaving it would melt agar nutrient
medium..
What recent and past actions have Canada and the US taken to counter.pdf
What recent and past actions have Canada and the US taken to counteract their exchange rates
with the economy in such distress over the past 10 years?
Solution
Since 2007, the world has experienced a period of severe financial stress, not seen since the time
of the Great Depression. This crisis started with the collapse of the subprime residential
mortgage market in the United States and spread to the rest of the world through exposure to
U.S. real estate assets, often in the form of complex financial derivatives, and a collapse in global
trade. Many countries were significantly affected by these adverse shocks, causing systemic
banking crises in a number of countries, despite extraordinary policy interventions. Systemic
banking crises are disruptive events not only to financial systems but to the economy as a whole.
Such crises are not specific to the recent past or specific countries – almost no country has
avoided the experience and some have had multiple banking crises. While the banking crises of
the past have differed in terms of underlying causes, triggers, and economic impact, they share
many commonalities. Banking crises are often preceded by prolonged periods of high credit
growth and are often associated with large imbalances in the balance sheets of the private sector,
such as maturity mismatches or exchange rate risk, that ultimately translate into credit risk for
the banking sector.
Crisis management starts with the containment of liquidity pressures through liquidity support,
guarantees on bank liabilities, deposit freezes, or bank holidays. This containment phase is
followed by a resolution phase during which typically a broad range of measures (such as capital
injections, asset purchases, and guarantees) are taken to restructure banks and reignite economic
growth. It is intrinsically difficult to compare the success of crisis resolution policies given
differences across countries and time in the size of the initial shock to the financial system, the
size of the financial system, the quality of institutions, and the intensity and scope of policy
interventions. With this caveat we now compare policy responses during the recent crisis episode
with those of the past. The policy responses during the 2007-2009 crises episodes were broadly
similar to those used in the past. First, liquidity pressures were contained through liquidity
support and guarantees on bank liabilities. Like the crises of the past, during which bank
holidays and deposit freezes have rarely been used as containment policies, we have no records
of the use of bank holidays during the recent wave of crises, while a deposit freeze was used only
in the case of Latvia for deposits in Parex Bank. On the resolution side, a wide array of
instruments was used this time, including asset purchases, asset guarantees, and equity injections.
All these measures have been used in the past, but this time around they seem to have been put in
place quicker (for detailed informatio.
What are the protocols in data transfer between CAD systems Which o.pdf
What are the protocols in data transfer between CAD systems? Which one is most widely used?
What types of data may not be transferred accurately or correctly?
Solution
Answer-
Transferring CAD files electronically is the norm, rather than the exception, for today\'s
manufacturing world. In the past, shops relied on blueprints.File translation is a process in which
one data format is converted into another. File translators are written independently by each
CAD or CAM software company. Some design teams may use several different types of CAD
packages to communicate with different teams or complete specific functions. One design model
may be exported and imported into several CAD packages before the final file reaches
manufacturing. There are numerous file formats on the market today. You can encounter IGES,
CADL, DXF, ASCII, NCAL, PAR, PRT, SAT, SUP, STL, X_T, MODEL, the various European
and American automotive formats, and other file extensions.The International Standards
Organization (ISO) is working with American, European and Asian businesses and government
agencies to implement a standard for transferring electronic data, called the International
STandard for the Exchange of Product Model Data (STEP).STEP, called Application Protocols
(APs), which are built into a common data model.
A well-built CAM translator translates all types of files quickly and accurately.
What do you think is the best medium for transmission of a signal P.pdf
What do you think is the best medium for transmission of a signal? Please explain your answer.
Solution
TRANSMISSION MEDIA
The means through which data is transformed from one place to another is called transmission or
communication media. There are two categories of transmission media used in computer
communications.
1. BOUNDED MEDIA:
Bounded media are the physical links through which signals are confined to narrow path. These
are also called guide media. Bounded media are made up o a external conductor (Usually
Copper) bounded by jacket material. Bounded media are great for LABS because they offer high
speed, good security and low cast. However, some time they cannot be used due distance
communication. Three common types of bounded media are used of the data transmission. These
are
UNDUIDED MEDIA
Unguided media, or wireless communication, transport electromagnetic waves without using a
physical conductor. Unguided Transmission Media consists of a means for the data signals to
travel but nothing to guide them along a specific path. The data signals are not bound to a
cabling media and as such are often called Unbound Media.
Signals are broadcast through air and thus are available to anyone who has a device capable of
receiving them. In wireless communication, transmission and reception are achieved using an
antenna. Transmitter sends out the electromagnetic signal into the medium. Receiver picks up the
signal from the surrounding medium.
Wireless transmission can be divided into three groups: radio waves, microwave, and infrared
waves. The section of the electromagnetic spectrum defined as radio communication is divided
into eight ranges, called bands.
These bands are rated form very low frequency (VLF) to extremely high frequency (EHF).
Transmission medium
Unguided medium.
There 4 basic types of Guided Media : Open Wire, Twisted Pair, Coaxial Cable, and Optical
Fiber. Coaxial cable (or coax) carries signals of higher frequency ranges than twisted-pair cable.
A fiber-optic cable is made of glass or plastic and transmits signals in the form of light..
We selected a sample of 14 respondents from the 2006 MTF. We present .pdf
We selected a sample of 14 respondents from the 2006 MTF. We present their number of
moving (traffic) violations in the last 12 months along with their residential area (residential area
is the independent variable). Use the proceeding output to discuss the significance of the F and P
values. Is the relationship between city size and traffic violations significant?
Solution
Yes. The relationship between city size and traffic violations are significant.
Because the P-value is 0.004, which is very less, so we reject the hypothesis that there is no
relationship between city size and tarffic violations..
This feature of the hand or front foot characterizes primates The ma.pdf
This feature of the hand or front foot characterizes primates The mantle in the mollusk secretes
the Protosome exhibit cleavage; duetrostomers exhibit cleavage This structure initiates heart
contraction This part of the heart pumps blood to the muscles The contraction of the heart is
known as These leaf openings allow the exchange of gases between the leaf and the air In terms
of numbers, the most successful phylum on the planet is the Excretory apparatus present in the
phylum Platyhelminthes which function primarily to maintain osmotic balance of the animals is
In the animal subkingdom the animals lack symmetry and possess neither tissues nor organs. A
is a mass of hyphae viruses are coated fragments of DNA or RNA that have become detached
from the genomes of cells and have the ability to replicate themselves within cells. Method of
obtaining nourishment by straining minute organic particle from Water Spore formimg protist
that has no means of locomotion The genetic alteration of a cell\'s genome by the introduction of
foreign DNA is called Xylem consists of two basic types of cells and Some protists are
photosynthetic autotrophs and are called The parasite that is responsible for causing malaria is
called The tropical diseases such as sleeping sickness. East Coast fever. Chaga\'s disease, and
leishmaniasis are caused by
Solution
63. HAND OR FRONT FOOT CHARACTERISTIC PRIMATES.............shows opposable
thumbs.
The radiation emitted by an X-ray tube has a minimum wavelength of.pdf
The radiation emitted by an X-ray tube has a minimum wavelength of 0.1e-10m. At what
potential is the tube being operated?
The radiation emitted by an X-ray tube has a minimum wavelength of 0.1e-10m. At what
potential is the tube being operated?
Solution
X ray frequency (f) = eV/h
wavelength = c/f
V = hf/e
V = hc/e*wavelength
V = 6.62*10^-34*3*10^8/1.6*10^-19*10^-11
V = 12.4*10^4 volts.
The following IP datagram is sent to a destination across a network w.pdf
The following IP datagram is sent to a destination across a network with an MTU of 500. Using
the first diagram, shows the header portions of the first two packet fragments that reach the
destination (assuming arrival in order). Note all numbers are in base 10. Note that you should
put a value in the data size space?
Solution
packet 1:
packet 2:
The data is of size 786 as in the total length field the value is 806 which is data+header. we know
that the header length is 20bytes the data will be 786.
The MTU is 500(both data and header)
Therefore the 1st packet can send data upto 480 bytes. which is also equal to fragmentation
offset because the next data has to be appended to these 480 bytes for complete information.
the left out data is 306, so the total length is 326(306+20).As first packet could not carry the
whole message it has to intimate the reciever there is more data to come, to indicate the flag
value is set to 1, which is not the case in packet 2 so the flag is set to 0.45TOS500681480.
The baking yeast is the preferred organism to generate biofuels. Howe.pdf
The baking yeast is the preferred organism to generate biofuels. However, it requires processed
sugar to generate ethanol, which may put a strain on the food industry. Therefore, you decide to
choose a photosynthetic organism to generate bioethanol. You select cyanobacteria. which use
the sunlight as the primary energy for cell growth and proliferation. What are the two enzymes
for which you would like to clone the coding genes and express in cyanobacteria? What are their
respective substrate(s) and product(s)? Name the enzyme(s) that is/are also expressed in humans
and describe its/their functions.
Solution
ans. The roke of yeast in production of ethanol is the most important element that distinguishes
wine from grape juice,
In the absence of oxygen that is under anerobic conditions yeast converts the sugar into ethanol
and carbondioxide throufg the process of fermentation.
1, The two enzymes are pyruvate decaroxylase(pdc) and alcohol dehydrogenase. (adh)
The coding sequence from both the enzymes frm the bacterium zymomonas is cloned into a
shuttle vector pCB4r and then transform into cynobacteria strain
2. The major pathway for synthesis of bioethanol involves
PDC catalyses the non oxidative decarboxylation of pyruvate which results in the production of
acetaldehyde and carbon dioxide
Acetaldehyde is then reduced to alcohol by alcohol dehydrogenase.
PDC is tetramer of 4 identical subunit of 50kd mass.
2 isozymes of ADH present.
3. Enzymes in human for ethanol production is
ADH4 which is present in gut.
Bumpers Body Shop began business as a corporation in 2010. Several .pdf
Bumper\'s Body Shop began business as a corporation in 2010. Several transactions which
occurred early in 2010 are described below January 21, 2010-stockholders invested cash of
$25,000 in the business and received 2,500 shares of $10 par value common stock as evidence of
their ownership interest. February 1, 2010-rent of $800 was paid for the month of February.
February 5, 2010-equipment with a cost of $1,400 was purchased on credit; payment is due
within 30 days. February 10, 2010-bills totaling $3,200 were presented to customers for body
work and painting services completed $1,700 was received in cash immediately; the balance of
$1,500 is due within 10 days. February 18, 2010-payment of $1,400 was made for the equipment
purchased on February 5 February 20, 2010-payment of $900 was received from customers with
balances due from February 10. February 28, 2010-employee salaries of $1,600 were paid.
February 28, 2010-declared and paid a dividend of $100 Use the format presented below to
indicate the effects of each transaction on the accounting equation. Enter the amount by which an
account increases or decreases in the column provided for that account. Use 0 to indicate
decreases. Prepare an Income Statement, Statement of Retained Earnings, Balance Sheet and a
Statement of Cash = Liabilities + Owners\' Equity + Revenue-Expenses Cash + AR + Equipment
= AP + Stock + Retained Earnings + Revenue-Expenses
Solution
Answer
Asset = Liabilities + Stockholders’ Equity.
Every transaction will follow accounting equation and that accounting equation will always
match.
Assets
=
Liabilities
+
Owners\' Equity
+
Revenue
-
Expenses
Date
Cash
+
A/R
+
Equipment
=
A/P
+
Stock
+
Retained earnings
+
Jan 21, 2010
25000
+
+
=
+
25000
+
+
-
Feb 1, 2010
(800)
+
+
=
+
+
+
-
800
Feb 5, 2010
+
+
1400
=
1400
+
+
+
-
Feb 10, 2010
1700
+
1500
+
=
+
+
+
3200
-
Feb 18, 2010
91400)
+
+
=
(1400)
+
+
+
-
Feb 20, 2010
900
+
(900)
+
=
+
+
+
-
Feb 28, 2010
(1600)
+
+
=
+
+
+
-
1600
Feb 28, 2010
(100)
+
+
=
+
+
(100)
+
-
Assets
=
Liabilities
+
Owners\' Equity
+
Revenue
-
Expenses
Date
Cash
+
A/R
+
Equipment
=
A/P
+
Stock
+
Retained earnings
+
Jan 21, 2010
25000
+
+
=
+
25000
+
+
-
Feb 1, 2010
(800)
+
+
=
+
+
+
-
800
Feb 5, 2010
+
+
1400
=
1400
+
+
+
-
Feb 10, 2010
1700
+
1500
+
=
+
+
+
3200
-
Feb 18, 2010
91400)
+
+
=
(1400)
+
+
+
-
Feb 20, 2010
900
+
(900)
+
=
+
+
+
-
Feb 28, 2010
(1600)
+
+
=
+
+
+
-
1600
Feb 28, 2010
(100)
+
+
=
+
+
(100)
+
-.
Produce a new version of k-means called MR-K-means(Multi-run K-mean.pdf
Produce a new version of k-means called MR-K-means(\"Multi-run K-means\") in R, which has
the following inputs: The number of clusters k (same as K-means) Random number \"meta
seed\" s (has the same type as the k-means seed) A cluster evaluation measure eval (1, 2, 3, or 4
referring to the four clustering evaluation measure introduced earlier) MR-K-means runs K-
means 10 times (with different seeds) obtaining clustering X1, ..., X10 returning the clustering
Xi with the highest value eval(X1) as well as the maximum, average, minimum value and
standard deviation of eval(X1)..eval(X10). The language is R.
Solution
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.Callable;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import smile.math.Math;
import smile.util.MulticoreExecutor;
public class KMeans extends PartitionClustering {
private static final Logger logger = LoggerFactory.getLogger(KMeans.class);
/**
* The total distortion.
*/
double distortion;
/**
* The centroids of each cluster.
*/
double[][] centroids;
/**
* Constructor.
*/
KMeans() {
}
/**
* Returns the distortion.
*/
public double distortion() {
return distortion;
}
/**
* Returns the centroids.
*/
public double[][] centroids() {
return centroids;
}
/**
* Cluster a new instance.
* @param x a new instance.
* @return the cluster label, which is the index of nearest centroid.
*/
@Override
public int predict(double[] x) {
double minDist = Double.MAX_VALUE;
int bestCluster = 0;
for (int i = 0; i < k; i++) {
double dist = Math.squaredDistance(x, centroids[i]);
if (dist < minDist) {
minDist = dist;
bestCluster = i;
}
}
return bestCluster;
}
public KMeans(double[][] data, int k) {
this(data, k, 100);
}
public KMeans(double[][] data, int k, int maxIter) {
this(new BBDTree(data), data, k, maxIter);
}
/**
* Constructor. Clustering data into k clusters.
* @param bbd the BBD-tree of data for fast clustering.
* @param data the input data of which each row is a sample.
* @param k the number of clusters.
* @param maxIter the maximum number of iterations for each running.
*/
KMeans(BBDTree bbd, double[][] data, int k, int maxIter) {
if (k < 2) {
throw new IllegalArgumentException(\"Invalid number of clusters: \" + k);
}
if (maxIter <= 0) {
throw new IllegalArgumentException(\"Invalid maximum number of iterations: \" + maxIter);
}
int n = data.length;
int d = data[0].length;
this.k = k;
distortion = Double.MAX_VALUE;
y = seed(data, k, ClusteringDistance.EUCLIDEAN);
size = new int[k];
centroids = new double[k][d];
for (int i = 0; i < n; i++) {
size[y[i]]++;
}
for (int i = 0; i < n; i++) {
for (int j = 0; j < d; j++) {
centroids[y[i]][j] += data[i][j];
}
}
for (int i = 0; i < k; i++) {
for (int j = 0; j < d; j++) {
centroids[i][j] /= size[i];
}
}
double[][] sums = new double[k][d];
for (int iter = 1; iter <= maxIter; iter++) {
double dist = bbd.clustering(centroids, sums, size, y);
for (int i = 0; i < k; i++) {
if (size[i] > 0) {
for (int j .
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