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RNA是如何复制的
更新时间: 2020-10-02 00:00:00  

RNA的复制过程:

以DNA为模板合成RNA是生物界RNA合成的主要方式,但有些生物的遗传信息贮存在RNA分子中,当它们进入宿细胞后,靠复制而传代,它们在RNA指导的RNA聚合酶催化下合成RNA分子,当以RNA模板时,在RNA复制酶作用下合成互补的RNA分子,但RNA复制酶中缺乏校正功能,因此RNA复制时错误率很高,这与反转录酶的特点相似。RNA复制酶只对病毒本身的RNA起作用,而不会作用于宿主细胞中的RNA分子。

关键词: rna 如何 复制

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