Multiple Choice: Please select the correet answer to the following questions. Ea

Question

Multiple Choice: Please select the correet answer to the following questions. Each question h answer from the five choices. Each question is worth 2 points. as only one I 1) Which of the following would be considered genes? A) A segment of DNA that specifies a promoter B) A segment of DNA that specifies an operator C) A segment of DNA that specifies an rRNA D) A and B E) B and C 2) Which of the following does not describe a typical bacterial chromosome? A) Bidirectional replication forks B) Covalently closed circle C) One copy per cell D) Theta structure formed during replication E) Up to 100 origins of replication 3) How many base pairs are in a typical bacterial chromosome? A) 10-20 B) 1,000-2,000 C) 10,000-20,000 D) 1,000,000-2,000,000 E) 100,000,000-200,000,0000 4) How many rings are in a purine? A) 1 B) 2 C) 3 D) 5 E) 10

Explanation / Answer

1. A and D (genes are segments of DNA with promoter and operator)

2. E ( upto 100 origins of replication)

3. D( 1000000 - 2000000)

4.B ( two)

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