Which enzyme is involved in proofreading during DNA replication?
A)5' to 3' exonuclease
B)3' to 5' exonuclease
C)5' to 3' endonuclease
D)3' to 5' endonuclease
E)DNA polymerase

Question

Quizplus · Accepted Answer

The 3' to 5' exonuclease activity in DNA polymerase is responsible for proofreading during DNA replication. It removes any mismatched nucleotides that have been incorporated during synthesis, thus increasing the accuracy and fidelity of DNA replication.

Which Enzyme Is Involved in Proofreading During DNA Replication