V2EX cytochrome

Cytochrome

释义 Definition

细胞色素:一类含有血红素(heme)的蛋白质,主要参与细胞内的电子传递链与氧化还原反应,尤其在细胞呼吸与能量生成(如线粒体内膜)中起关键作用。(也可指不同类型的细胞色素,如 cytochrome c、P450 等。)

发音 Pronunciation

/satkrom/

例句 Examples

Cytochrome c helps transfer electrons in mitochondria.
细胞色素 c 帮助在线粒体中传递电子。

Researchers measured cytochrome activity to understand how the drug changes liver metabolism.
研究人员测量细胞色素的活性,以了解这种药物如何改变肝脏代谢。

词源 Etymology

cyto- 来自希腊语 kytos,意为“细胞”;-chrome 来自希腊语 chroma,意为“颜色”。“细胞色素”之名与这类蛋白常呈现可见颜色变化有关(源于其血红素等辅基的吸收光谱特征),早期在生物化学研究中便以此命名。

相关词 Related Words

文学与著作中的使用 Literary Works

  • Lehninger Principles of Biochemistry(《雷宁杰生物化学原理》)
  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • Biochemistry by Berg, Tymoczko & Stryer(《斯特赖尔生物化学》)
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