V2EX carbon source

Carbon Source

定义 Definition

“碳源”指为生物体(尤其是微生物、植物细胞等)提供碳元素的物质,用于合成细胞结构与生物大分子并获取能量。在培养基或生态环境讨论中,碳源常与“氮源”等并列。常见碳源包括葡萄糖、蔗糖、乙酸盐、二氧化碳等。(在不同学科中还有更具体的用法。)

发音 Pronunciation (IPA)

/kr.bn srs/

例句 Examples

The lab used glucose as the carbon source for the bacteria.
实验室用葡萄糖作为细菌的碳源。

In nutrient-poor soil, plants may rely on symbiotic microbes to access an effective carbon source and maintain growth.
在贫瘠土壤中,植物可能依赖共生微生物来获得有效的碳源并维持生长。

词源 Etymology

“carbon”来自拉丁语 carbo(意为“煤、炭”),后来在化学中用于指“碳”这一元素;“source”来自拉丁语 surgere(“升起、涌出”)相关词根,发展出“来源、源头”的含义。合起来“carbon source”字面即“碳的来源”,在生物学与环境科学里特指可供利用的碳输入。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Brock Biology of Microorganisms(《布洛克微生物学》)在微生物培养与代谢章节中频繁讨论不同“carbon source”对生长与代谢途径的影响。
  • Molecular Biology of the Cell(《细胞的分子生物学》)在细胞代谢与能量获取相关内容中涉及碳输入与代谢底物选择。
  • Principles of Microbial Ecology(《微生物生态学原理》)用于描述生态系统中微生物可利用的碳源及其对群落结构的作用。
  • Annual Review of Microbiology(《微生物学年度评论》)综述文章常以“carbon source”讨论实验条件与代谢调控(如碳代谢阻遏等)。
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