DNA拓扑异构酶的作用是A.解开DNA双螺旋,便于复制 B.使DNA断开旋转复合不致打结、缠绕 C.把DNA异构为RNA,因为复制需RNA引物 D....

作者: tihaiku 人气: - 评论: 0
问题 DNA拓扑异构酶的作用是
选项 A.解开DNA双螺旋,便于复制 B.使DNA断开旋转复合不致打结、缠绕 C.把DNA异构为RNA,因为复制需RNA引物 D.稳定已解开的DNA双链
答案 B
解析

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