V2EX ribonucleotide

Ribonucleotide

定义 Definition

核糖核苷酸:由核糖(ribose)含氮碱基一个或多个磷酸基团组成的分子,是RNA(核糖核酸)的基本组成单位,也参与多种细胞能量与信号过程(如 ATP、GTP)。常见核糖核苷酸包括 AMP、GMP、CMP、UMP(及其三磷酸形式 ATP、GTP、CTP、UTP)。

发音 Pronunciation

/rabonukltad/

例句 Examples

Ribonucleotides are the building blocks of RNA.
核糖核苷酸是 RNA 的基本构成单位。

During transcription, the enzyme adds each ribonucleotide to the growing RNA strand in a specific order.
在转录过程中,酶会按特定顺序把每个核糖核苷酸加入不断延伸的 RNA 链中。

词源 Etymology

ribo- 来自 ribose(核糖),指这种核苷酸含有核糖;nucleotide 源于 nucleus(细胞核)相关的早期命名传统,加上表示化学成分的后缀 -ide,整体指“与核酸相关的基本单元”。该词用来与 deoxyribonucleotide(脱氧核糖核苷酸,DNA 的单位相区分。

相关词 Related Words

文学与著作 Literary Works

  • Molecular Biology of the Cell(Alberts 等,《细胞的分子生物学》)
  • Lehninger Principles of Biochemistry(Nelson & Cox,《莱宁格生物化学原理》)
  • Molecular Biology of the Gene(Watson 等,《基因的分子生物学》)
  • Campbell Biology(Urry 等,《坎贝尔生物学》)
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