V2EX guanine

Guanine

释义 Definition

Guanine鸟嘌呤,一种含氮的嘌呤类碱基,是 DNA 和 RNA 的基本组成部分之一;在 DNA 中常与 cytosine(胞嘧啶)配对。(该词在生物化学中最常用此义。)

发音 Pronunciation

/wnin/

例句 Examples

Guanine is one of the four bases in DNA.
鸟嘌呤是 DNA 中四种碱基之一。

In DNA, guanine pairs with cytosine through hydrogen bonds, helping stabilize the double helix.
在 DNA 中,鸟嘌呤通过氢键与胞嘧啶配对,从而帮助稳定双螺旋结构。

词源 Etymology

guanine 一词源自 guano(鸟粪):19 世纪的化学研究者最早从鸟粪中分离得到这种物质,因此以此命名;后续研究发现它是核酸的重要组成成分,名称沿用至今。

相关词 Related Words

文学作品中的用例 Literary Works

  • The Double Helix(James D. Watson):书中在讲述 DNA 结构与碱基配对时会涉及 guanine 等碱基名称。
  • Molecular Biology of the Cell(Bruce Alberts 等):作为经典教材,在核酸结构与遗传信息章节中频繁出现 guanine
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