問題詳情

20. DNA polymerase_________.
(A)synthesizes a short RNA segment to begin DNA replication
(B)adds nucleotides to the S' end of an existing strand to synthesize a new DNAstrand
(C)adds nucleotides to the 3' end of an existing strand to synthesize a new DNAstrand
(D) seals nicks between adjacent segments of DNA
(E) unwinds the DNA double helix at the origin of replication

參考答案

答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增