V2EX light reactions

Light Reactions

释义 Definition

light reactions(光反应):指光合作用中需要光能的一阶段反应,主要发生在叶绿体的类囊体膜上,将光能转化为化学能,产生 ATPNADPH,并通常伴随水的分解与 O 释放。该术语也常写作 light-dependent reactions

发音 Pronunciation (IPA)

/lat riknz/

例句 Examples

Light reactions occur in the thylakoid membranes.
光反应发生在类囊体膜上。

During the light reactions, chlorophyll absorbs photons and drives electron transport to generate ATP and NADPH.
在光反应过程中,叶绿素吸收光子并驱动电子传递,从而生成 ATP 和 NADPH。

词源 Etymology

该短语由 light(光) + reactions(反应) 构成,是生物学对“由光触发/依赖光能进行的一组化学反应”的直观命名;与之对应的阶段常称为 Calvin cycle(卡尔文循环)dark reactions(暗反应/光独立反应)(但“暗反应”并不意味着只能在黑暗中进行)。

相关词 Related Words

  • Photosynthesis
  • Thylakoid
  • Chlorophyll
  • Photolysis
  • Electron Transport Chain
  • ATP
  • NADPH
  • Calvin Cycle
  • Light-Dependent Reactions
  • 文学与著名作品 Literary / Notable Works

    • 《Campbell Biology》(《坎贝尔生物学》):在光合作用章节中系统使用并解释 light reactions
    • 《Lehninger Principles of Biochemistry》(《雷宁格生物化学原理》):在生物能量转换与光合作用相关内容中讨论 light reactions
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