V2EX photophosphorylation

Photophosphorylation

释义 Definition

光合磷酸化:指在光合作用中,光能驱动电子传递链形成质子梯度,从而促使 ADP + Pi 合成 ATP 的过程,主要发生在叶绿体的类囊体膜上。(通常分为非循环循环两种途径。)

发音 Pronunciation (IPA)

/fotofsfralen/

例句 Examples

Photophosphorylation produces ATP in chloroplasts during photosynthesis.
光合磷酸化在光合作用过程中于叶绿体内产生 ATP。

In non-cyclic photophosphorylation, water is split to supply electrons, releasing oxygen while generating ATP and NADPH for the Calvin cycle.
在非循环光合磷酸化中,水被分解以提供电子并释放氧气,同时生成 ATP 和 NADPH 供卡尔文循环使用。

词源 Etymology

该词由三部分构成:**photo-**(光) + phosphorylation(磷酸化,指向分子中“加上磷酸基/进行磷酸化反应”)。字面意思是“由光驱动的磷酸化”。在生物化学与植物生理学中,它专门用来描述光反应阶段合成 ATP 的机制,与细胞呼吸中的“氧化磷酸化”形成对应概念。

相关词 Related Words

文学与经典著作中的用例 Literary Works

  • 《Lehninger Principles of Biochemistry》(《莱宁格生物化学原理》):在光合作用章节讨论光反应、电子传递与 ATP 合成时使用该术语。
  • 《Campbell Biology》(《坎贝尔生物学》):在“光反应/类囊体膜上的 ATP 生成”部分讲解循环与非循环光合磷酸化。
  • Govindjee 编著的《Photosynthesis》相关学术著作/综述:在深入讨论光合电子传递与能量转换机制时频繁出现该词。
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