試題詳解

56. Which statement about DNA replication is true?
(A) Helicase breaks, swivels, and rejoins the parental DNA.
(B) Topoisomerase unwinds and separates the parental DNA strands.
(C) Primase synthesizes DNA primers, using the parental DNA as a template.
(D) In E. coli, DNA polymerase I and II are the main enzymes in synthesis of new DNA.
(E) Okazaki fragments are found both in E. coli and eukaryotes.