Reference no: EM13936794
1. a.Describe in detail how a direct DNA repair mechanism works.
b.Can you think of a way in which you could inhibit this repair mechanism in bacteria that have been exposed to UV radiation?
2. For each of the following, give a brief description:
a.DNA exonuclease
b.AP site
c.DNA ligase
d.post replication repair
3. a.What is cancer? Include in your answer a description of oncogenes.
b.Explain how a mutated DNA repair gene could lead to a cancer.
c.If a mutation occurs in a gene in a skin cell, describe two possible outcomes for the future of that cell.
4.a.What is a retrovirus?
b.How can a retrovirus cause the transformation of a normal cell into a cancer cell?
c.What is a transforming retrovirus and how does it cause cancer?
5.a.What is a transposon? In you answer include two distinguishing features of a transposon.
b.What is meant by conservative and replicate transfer?
c.Briefly describe the mechanism of action of the Ds and Ac transposons as discovered in maize by McClintock.
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What is genetic transformation
: When E. coli cells containing the pUC 118 plasmid are placed on growth medium containing 10 times as much ampicillin as we used in our lab, they are unable to grow.
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Describe the strengths and weaknesses of the aggregate
: Analyzing the Aggregate Strengths and Weaknesses- Analyze and describe the strengths and weaknesses of the aggregate and the community where the aggregate resides
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What are the key features of jit production
: What are the key features of JIT production? Compare the operating performance of the Frankfurt and Stuttgart plants in 2007. Comment on any differences you observe.
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Develop a comprehensive care plan for the aggregate
: Develop a comprehensive care plan for the aggregate. Propose a nursing diagnosis and suggest interventions that address the major health risks identified from the risk assessment. In your care plan, include a list of disasters that may affect the ..
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What is meant by conservative and replicate transfer
: What is a transposon? In you answer include two distinguishing features of a transposon. What is meant by conservative and replicate transfer?
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Marketing orientation and product orientation
: Marketing Orientation and Product Orientation are, arguably, two opposite ends of the customer orientation spectrum. Write a report that: Identifies positive and negative aspects of each approach and draws conclusions
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Target consumer-buyer analysis-segmentation and targets
: Develop a table that identifies the a. Segments in market b. Customer needs for each segment c. Corresponding features and benefits desired d. Size of segments
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What portion of the plan would you like to implement
: What small group have you selected (for example, three families with young children, a group of five AIDS patients, and so on)? What made you select this particular group? What portion of the plan would you like to implement in the small group
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Provide a description of cancer vaccinations
: Provide a description of cancer vaccinations including an explanation of the difference between endogenous and exogenous categories of vaccines. Also, please provide several references for further elaboration of the topic.
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