Proofreading activity to maintain the fidelity of DNA synthesis

1.	Proofreading activity to maintain the fidelity of DNA synthesis
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» C. requires the presence of an enzyme separate from the DNA polymerases

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Proofreading activity to maintain the fidelity of DNA synthesis

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