V2EX deoxy sugar

Deoxy Sugar

Definition|释义

脱氧糖:指分子结构中少了一个或多个羟基(OH)被氢(H)取代的糖类。最常见的例子是脱氧核糖(deoxyribose),它是 DNA 的糖骨架成分之一。(也可泛指多种“去氧化”的糖。)

Pronunciation|发音(IPA)

/diksi r/

Examples|例句

A deoxy sugar is found in DNA, not RNA.
脱氧糖存在于 DNA 中,而不是 RNA 中。

In many bacteria, deoxy sugars on the cell surface help the organism interact with its environment and evade immune detection.
在许多细菌中,细胞表面的脱氧糖有助于其与环境相互作用,并可能帮助其躲避免疫识别。

Etymology|词源

deoxy- 来自科学构词,含义是“去氧的/脱氧的”,可理解为“比原本少一个氧(常体现为少一个 OH)”;sugar 源自古法语 sucre,再上溯至阿拉伯语 sukkar(糖)。合起来 deoxy sugar 就是“缺少氧(羟基)的糖”。

Related Words|相关词

In Literature|作品中的用例

  • Lehninger Principles of Biochemistry(《雷宁格生物化学原理》):在糖类与核酸章节讨论脱氧核糖等“deoxy sugar/ deoxy sugars”。
  • Molecular Biology of the Gene(《基因的分子生物学》):在 DNA 化学组成与结构部分涉及脱氧糖。
  • Campbell Biology(《坎贝尔生物学》):在核酸与分子遗传学基础内容中提到 DNA 的糖为脱氧糖。
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