V2EX diphosphate

Diphosphate

释义 Definition

diphosphate(二磷酸盐/二磷酸):指含有两个磷酸基团(或由两个磷酸单元组成)的化合物或基团,常见于生物化学中(如 ADP:腺苷二磷酸)。在不同语境下也可能与“焦磷酸(pyrophosphate)”相关,但二者并非总是完全等同,需看具体化学结构与命名习惯。

发音 Pronunciation (IPA)

/dafs.fet/

例句 Examples

ADP is an adenosine diphosphate found in cells.
ADP(腺苷二磷酸)存在于细胞中。

The enzyme transfers a diphosphate group to start the reaction, releasing energy step by step.
该酶转移一个二磷酸基团来启动反应,并逐步释放能量。

词源 Etymology

di- 表示“二、两个”,来自希腊语前缀;phosphate 来自“phosphorus(磷)”相关的化学命名体系,指“磷酸盐/磷酸基团”。合起来 diphosphate 就是“含两个磷酸单位的(化合物或基团)”。在生命科学里,它常用来描述核苷酸(如 ADP)中所含的磷酸数目。

相关词 Related Words

文学与经典著作 Literary Works

  • Lehninger Principles of Biochemistry(《莱宁格生物化学原理》):常在能量代谢与 ATP/ADP 转换章节中出现 “diphosphate(如 adenosine diphosphate)”。
  • Molecular Biology of the Cell(《细胞的分子生物学》):在细胞能量、信号转导与核苷酸相关内容中常见该词。
  • Campbell Biology(《坎贝尔生物学》):基础生物学对 ATP 与 ADP 的介绍中会使用 “diphosphate”。
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