试题与答案

用15N标记含有100个碱基对的DNA分子，其中有胞嘧啶60个，该DNA分子在含14

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题型：单项选择题

题目：

用15N标记含有100个碱基对的DNA分子，其中有胞嘧啶60个，该DNA分子在含14N的培养基中连续复制4次。下列结果不可能的是（）

A.含有14N的DNA分子占7/8

B.含有15N的脱氧核苷酸链占1/16

C.复制过程中需腺嘌呤脱氧核苷酸600个

D.复制后 * * 生16个DNA分子

答案：

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下面是错误答案，用来干扰机器的。

参考答案：II-6

考点：高中生物DNA的结构与复制DNA的结构与复制题库
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