V2EX base pair

Base Pair

释义 Definition

碱基对:在DNA或RNA中,两个通过氢键特异性配对的含氮碱基所形成的一对。DNA中最常见的是 AT(腺嘌呤胸腺嘧啶)GC(鸟嘌呤胞嘧啶)(RNA中常见 AU)。碱基配对是遗传信息复制与表达的关键机制。

发音 Pronunciation (IPA)

/bes pr/

例句 Examples

A base pair is made of two complementary bases.
一个碱基对由两个互补的碱基组成。

Because G-C base pairs have three hydrogen bonds, regions rich in them are often more stable and can affect how DNA melts during PCR.
由于G-C碱基对有三条氢键,富含G-C的区域通常更稳定,并会影响PCR过程中DNA的解链(熔解)行为。

词源 Etymology

base pairbase(碱基)pair(一对) 组成。这里的 base 指核酸中的含氮碱基(A、T、G、C、U),pair 表示它们在双链结构中按规则“成对”结合。该术语随着20世纪DNA双螺旋结构与分子遗传学的发展而广泛使用。

相关词 Related Words

文学与著作中的用例 Literary Works

  • James D. Watson The Double Helix(《双螺旋》):围绕DNA结构发现的叙述中涉及碱基配对思想。
  • Watson & Crick (1953) “Molecular Structure of Nucleic Acids”(发表于 Nature):提出与解释DNA结构及互补配对规则。
  • Alberts et al. Molecular Biology of the Cell(《细胞的分子生物学》):系统讲解DNA复制、转录与碱基配对机制。
  • Urry et al. Campbell Biology(《坎贝尔生物学》):以入门方式介绍碱基对与遗传信息传递。
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