题目内容

在DNA复制中RNA引物的作用是

A. 使DNA聚合酶Ⅲ活化
B. 使DNA双链解开
C. 提供5ˊ-P末端作合成新DNA链起点
D. 提供5ˊ-OH末端作合成新DNA链起点
E. 提供3ˊ-OH末端作合成新DNA链终点

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DNA复制时，子代DNA的合成方式是

A. 两条链均为不连续合成
B. 两条链均为连续合成
C. 两条链均为不对称转录合成
D. 两条链均为5ˊ到3，合成
E. 一条链5ˊ→3ˊ，另一条链3ˊ→5ˊ

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