V2EX rna polymerase

RNA Polymerase

Definition | 释义

RNA聚合酶:一种关键酶,负责以DNA(或在某些病毒中以RNA)为模板合成RNA,是转录(transcription)过程的核心机器。在真核生物中常见有多种类型(如RNA聚合酶I/II/III)分别转录不同类别的RNA。

Examples | 例句

RNA polymerase makes an RNA copy of a gene.
RNA聚合酶会把基因复制成一条RNA。

During transcription initiation, RNA polymerase binds to the promoter with the help of transcription factors, then unwinds the DNA and begins RNA synthesis.
在转录起始阶段,RNA聚合酶在转录因子的帮助下与启动子结合,随后解开DNA并开始合成RNA。

Pronunciation (IPA) | 发音

/r en e plmres/

Etymology | 词源

RNAribonucleic acid(核糖核酸)的缩写;polymerase 来自“polymer(聚合物)+ -ase(酶的后缀)”,表示“促使单体聚合形成大分子链的酶”。合起来即“催化RNA链合成的酶”。

Related Words | 相关词汇

In Literature | 文献与著作中的用例

  • Molecular Biology of the Gene(《基因的分子生物学》):系统讲解RNA聚合酶结构与转录机制。
  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在基因信息流与酶学章节中多次出现。
  • Molecular Biology of the Cell(《细胞的分子生物学》):讨论真核RNA聚合酶I/II/III及转录调控。
  • Campbell Biology(《坎贝尔生物学》):作为高中到大学基础生物学中“转录”核心术语频繁出现。
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