Proofreading activity to maintain the fidelity of DNA synthesis

Question

Options:

A . occurs after the synthesis has been completed

B . is a function of the 3'-5' exonuclease activity of the DNA polymerases

C . requires the presence of an enzyme separate from the DNA polymerases

D . occurs in prokaryotes but not eukaryotes

Answer: Option B
Answer: (b).is a function of the 3'-5' exonuclease activity of the DNA polymerases

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