The baking yeast is the preferred organism to generate biofuels. Howe.pdf
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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.
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PRODUCTION OF ACETIC ACID FROM MOLASSES BY FERMENTATION PROCESS
Acetic acid also called ethanoic acid is organic compound. Acetic acid produced via fermentation. Its pathway is
conversion of glucose to ethanol and ethanol to acetic acid. In first step, Saccaromyces cerevesiae (yeast) converts
fermentable sugar of molasses into ethanol and carbon dioxide. In second step, acetobacter aceti (acetic acid
bacteria) converts ethanol into acetic acid and water. After completing process, the separation of product is carried
out via centrifugation. Mixture of acetic acid and water is separated by distillation.
In this report, details regarding cultures (micro-organism) have been used for the process is discussed. In practical
laboratory work, ethanol fermentation and acetic acid fermentation have been carried out and it’s optimum
parameters (pH, temperature, sugar concentration, and ethanol concentration) have been decided, which is
discussed in detail. The kinetic study also have been done is mentioned.
Key words: Saccaromyces cerevesiae, acetobacter aceti, micro-organism, fermentable sugar
Production of acetic acid and ethanol
THIS WAS MY PRESENTATION TOPIC IN CLASS. THOUGHT OF SHARING IT AND HOPE IT HELPS.
Recommended
PRODUCTION OF ACETIC ACID FROM MOLASSES BY FERMENTATION PROCESS
Acetic acid also called ethanoic acid is organic compound. Acetic acid produced via fermentation. Its pathway is
conversion of glucose to ethanol and ethanol to acetic acid. In first step, Saccaromyces cerevesiae (yeast) converts
fermentable sugar of molasses into ethanol and carbon dioxide. In second step, acetobacter aceti (acetic acid
bacteria) converts ethanol into acetic acid and water. After completing process, the separation of product is carried
out via centrifugation. Mixture of acetic acid and water is separated by distillation.
In this report, details regarding cultures (micro-organism) have been used for the process is discussed. In practical
laboratory work, ethanol fermentation and acetic acid fermentation have been carried out and it’s optimum
parameters (pH, temperature, sugar concentration, and ethanol concentration) have been decided, which is
discussed in detail. The kinetic study also have been done is mentioned.
Key words: Saccaromyces cerevesiae, acetobacter aceti, micro-organism, fermentable sugar
Production of acetic acid and ethanol
THIS WAS MY PRESENTATION TOPIC IN CLASS. THOUGHT OF SHARING IT AND HOPE IT HELPS.
Unit 2 fermentation media and sterilization
The material describes components of industrial fermentation media with their respective metabolic importance for the industrial microbes. it also addresses industrial scale sterilization methods.
Fermentation process and products
this ppt will help you to study Industrial Microbiology and the Fermentation process and its products.
Production of ethanol from different sources
A gross detail about production of ethanol from different sources.
HUMAN HEALTH AND DISEASE
2nd puc additional information to crack NEET and CET exam.
Topic: Human health and disease
Ethanol production
This presentation includes the basics of ethanol production, its brief history, microbes useful in ethanol production, media suitable for ethanol production, uses and application of ethanol in various fields such as food and beverages, medical, pharmaceuticals etc.
Introduction to fermentation process
Definition of fermentation, Range of fermentation process, Chronological development of the fermentation industry, components parts of a fermentation process.
Increasing concerns about dependence on fossil fuels has generated r.pdf
Increasing concerns about dependence on fossil fuels has generated research and development of
renewable fuels, such as ethanol. Ethanol can be produced from grains (for example, corn) or
from plant biomass (tree chips and sawdust, composted food waste or paper products). The
production of ethanol is an industrial application of fermentation studied in introductory biology
laboratories. Using information from your laboratory experiments, propose the components
necessary for converting corn to ethanol. (Consider reactants, products, and environmental
conditions). Corn plants store energy as starch, which cannot enter the fermentation pathway
directly. Based on your knowledge of the molecular structure of starch, include components
necessary to convert starch to simple sugars.
Solution
Ethanol production from corn is a very recent and important bio-chemical process which can be
used as an environmental friendly way to generate fuel. The method is simple and requires
following inputs:
1. Corn source: Freshly isolted corn bolts are required for the process with sufficient water
content. The dried up corn bolts are difficult to hydrolyze by enzymatic actions.
2. Enzymes: Sequential degradation of the corn\'s carbohydrates and sugar is brought about by
activity of various enzymes. Firstly, the corn is milled into smaller pieces in liquid media which
is acted upon by enzyme amylase. The amylase enzyme degrades the complex sugars into
smaller carbohydrate units which can be further digested by other carbohydrate digesting
enzymes.
3. Fermentation: After activity of amylase, yeast mediated fermentaion of corn is performed.
This fermentation is performed under controlled environment of oxygen and temperature along
with humidity and nutrients. Bio-chemically, the glucose derived from amylase action on the
corn is converted into pyruvate while generating 2 molecules of ATP per glucose molecule and
generation of two molecules of NADH. This pyruvate can enter glycolysis in the yeast and
simultaneously fermented into acetaldehyde and generation of ethanol with consumption of two
NADH molecules. Carbon dioxide is released as a by-product.
Thus, this explains the utilizty of various enzymes and microbes in ethanol fermentation by yeast
to generate ethanol under controlled environment..
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.
More Related Content
Similar to The baking yeast is the preferred organism to generate biofuels. Howe.pdf
Unit 2 fermentation media and sterilization
The material describes components of industrial fermentation media with their respective metabolic importance for the industrial microbes. it also addresses industrial scale sterilization methods.
Fermentation process and products
this ppt will help you to study Industrial Microbiology and the Fermentation process and its products.
Production of ethanol from different sources
A gross detail about production of ethanol from different sources.
HUMAN HEALTH AND DISEASE
2nd puc additional information to crack NEET and CET exam.
Topic: Human health and disease
Ethanol production
This presentation includes the basics of ethanol production, its brief history, microbes useful in ethanol production, media suitable for ethanol production, uses and application of ethanol in various fields such as food and beverages, medical, pharmaceuticals etc.
Introduction to fermentation process
Definition of fermentation, Range of fermentation process, Chronological development of the fermentation industry, components parts of a fermentation process.
Increasing concerns about dependence on fossil fuels has generated r.pdf
Increasing concerns about dependence on fossil fuels has generated research and development of
renewable fuels, such as ethanol. Ethanol can be produced from grains (for example, corn) or
from plant biomass (tree chips and sawdust, composted food waste or paper products). The
production of ethanol is an industrial application of fermentation studied in introductory biology
laboratories. Using information from your laboratory experiments, propose the components
necessary for converting corn to ethanol. (Consider reactants, products, and environmental
conditions). Corn plants store energy as starch, which cannot enter the fermentation pathway
directly. Based on your knowledge of the molecular structure of starch, include components
necessary to convert starch to simple sugars.
Solution
Ethanol production from corn is a very recent and important bio-chemical process which can be
used as an environmental friendly way to generate fuel. The method is simple and requires
following inputs:
1. Corn source: Freshly isolted corn bolts are required for the process with sufficient water
content. The dried up corn bolts are difficult to hydrolyze by enzymatic actions.
2. Enzymes: Sequential degradation of the corn\'s carbohydrates and sugar is brought about by
activity of various enzymes. Firstly, the corn is milled into smaller pieces in liquid media which
is acted upon by enzyme amylase. The amylase enzyme degrades the complex sugars into
smaller carbohydrate units which can be further digested by other carbohydrate digesting
enzymes.
3. Fermentation: After activity of amylase, yeast mediated fermentaion of corn is performed.
This fermentation is performed under controlled environment of oxygen and temperature along
with humidity and nutrients. Bio-chemically, the glucose derived from amylase action on the
corn is converted into pyruvate while generating 2 molecules of ATP per glucose molecule and
generation of two molecules of NADH. This pyruvate can enter glycolysis in the yeast and
simultaneously fermented into acetaldehyde and generation of ethanol with consumption of two
NADH molecules. Carbon dioxide is released as a by-product.
Thus, this explains the utilizty of various enzymes and microbes in ethanol fermentation by yeast
to generate ethanol under controlled environment..
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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..
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..
6,7,8,9,10,11,12 6. movement of a solvent (usually water) to regions.pdf
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.
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.
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