V2EX cellular respiration

Cellular Respiration

定义 Definition

cellular respiration:细胞呼吸;指细胞将葡萄糖等有机物中的化学能逐步转化为ATP(腺苷三磷酸)的过程,通常在真核细胞的线粒体中进行;在有氧条件下常以氧气为最终电子受体,并产生二氧化碳和水。(在缺氧条件下也可指无氧途径,如发酵,但最常见语境是有氧细胞呼吸。)

发音 Pronunciation

/sljlr rspren/

例句 Examples

Cellular respiration produces ATP for the cell.
细胞呼吸为细胞产生ATP。

During intense exercise, your muscles increase cellular respiration to meet higher energy demands, releasing more carbon dioxide as a result.
在剧烈运动时,你的肌肉会增强细胞呼吸以满足更高的能量需求,因此会释放更多二氧化碳。

词源 Etymology

cellular 来自 cell(细胞)+ -ular(“……的/与……有关的”);respiration 源自拉丁语 respirare,意为“呼吸”。这一术语把“呼吸”从日常的肺部呼吸扩展到细胞层面:强调细胞通过一系列反应“消耗”底物并获取能量的过程,因此称为“细胞呼吸”。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Campbell Biology(《坎贝尔生物学》):在细胞代谢章节系统讲解 cellular respiration(糖酵解、柠檬酸循环、电子传递链等)。
  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):以生物化学视角详细讨论细胞呼吸与氧化磷酸化。
  • Molecular Biology of the Cell(《细胞生物学:分子生物学的细胞》/《细胞的分子生物学》):在能量转换与线粒体相关章节频繁使用该术语。
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