Quiz 5-Form22010-ans

Quiz 5-Form22010-ans - BIL 150 QUIZ 5-FORM 2 Answers FALL...

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BIL 150 QUIZ 5-FORM 2 Answers FALL 2010 1. Which would you expect of a eukaryotic cell lacking telomerase? A. a high probability of becoming cancerous B. production of Okazaki fragments C. high sensitivity to sunlight D. a reduction in chromosome length E. Both A and B are correct. 2. Which of the following is a major difference between DNA replication in prokaryotes and eukaryotes? A. Prokaryotes have a single site of origin for DNA replication; eukaryotes have multiple sites of origin B. In prokaryotes the new DNA strand is assembled in a 3’ to 5' direction; in eukaryotes the direction is 5' to 3'. C. Prokaryotes use DNA polymerase I whereas eukaryotes use DNA polymerase III D. Both A and B are correct. E. A, B and C are correct. 3. Which of the following statements about feedback regulation of a metabolic pathway is correct? A. Accumulation of the product of the pathway increases further formation of that product. B. The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway. C. The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator. D.
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Quiz 5-Form22010-ans - BIL 150 QUIZ 5-FORM 2 Answers FALL...

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