天气预报 > 体育 > RNA聚合酶能够自由进入核孔吗?
RNA聚合酶能够自由进入核孔吗?
更新时间: 2021-05-06 13:46:50  

核孔是大分子进出细胞核的通道,核孔对物质进出细胞核具有选择性。RNA聚合酶是在细胞质的核糖体上合成,通过核孔,进入细胞核,催化转录过程的。rRNA是在细胞核中通过转录合成,经过核孔进入细胞质,和蛋白质结合形成核糖体的。

关键词: rna 聚合 能够 自由 进入

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