Biotechnology 4 Views 1 Answers
Which of the following characteristics with respect to bacterial DNA polymerase are TRUE? P. Initiation of chain synthesis Q. 5′-3′ polymerization R. 3′-5′ exonuclease activity S. 5′-3′ exonuclease activity Options: (A) P and Q only (B) Q and R only (C) Q and S only (D) P and S only
Which of the following characteristics with respect to bacterial DNA polymerase are TRUE?
P. Initiation of chain synthesis
Q. 5′-3′ polymerization
R. 3′-5′ exonuclease activity
S. 5′-3′ exonuclease activity
Options:
(A) P and Q only
(B) Q and R only
(C) Q and S only
(D) P and S only
Answered
Answer: (B) Q and R only
Explanation: Bacterial DNA polymerase is known for 5′-3′ polymerization (Q) and 3′-5′ exonuclease activity (R), which is involved in proofreading. It does not initiate chain synthesis on its own (P) and 5′-3′ exonuclease activity (S) is typically associated with DNA polymerase I, but not all polymerases.
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