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1.The body is turning ribonucleotides into deoxyribonucleotides. a.What is the b

ID: 264250 • Letter: 1

Question

1.The body is turning ribonucleotides into deoxyribonucleotides.

a.What is the body preparing for?

b.During this process, what enzyme does it use and what does it do?

c.What do the different parts of the enzyme do?

d.What if the dCMP deaminase was poisoned? What other ways could they make dCMP?

2.What is the importance of diacylglycerols and what is the important element that is secreted? Ca2+ is secreted.

3.When comparing the pancreas and the adrenal cortex, which would be fixed faster if they were both poisoned?

4.Given a plasmid with a replication bubble, label the leading and lagging strands, where the Okazaki fragments occur, and any enzymes involved. Include a brief description of what the enzymes do.

5.What are characteristics of strong vs. weak initiation promoters?

6.What are the optimal conditions for RNA polymerase binding in the Trp operon?

7.Which stem loop sequence promotes the expression of the Trp operon and which inhibit the expression of the operon? Why?

Explanation / Answer

1.The body is turning ribonucleotides into deoxyribonucleotides. a.What is the b