試題詳解

30. The following statements about DNA replication is E. coli are correct except:
(A) Both leading strand and lagging strand require primer.
(B) DNA polymerase adds a new nucleotide to the free 3’OH of the existing nucleic acid.
(C) The principal replication enzyme is DNA polymerase I.
(D) It also has a 3’5’ exonuclease activity.
(E) It is a processive enzyme.