試題詳解

29.Exonuclease activity is important for DNA polymerase function because
(A) It randomly removes the newly incorporated nucleotide.
(B) It removes oxidized base.
(C) It removes mismatched nucleotide in the exonuclease site for proofreading.
(D) It removes primers present in the lagging strand during DNA replication

(E) It increases DNA polymerization reaction