V2EX prokaryotic

Prokaryotic

释义 Definition

prokaryotic(原核的):指原核生物的,或与原核细胞相关的;原核细胞没有由膜包裹的细胞核,也缺乏许多膜性细胞器(如线粒体、叶绿体)。常用于生物学语境。(另有相关名词:prokaryote 原核生物)

发音 Pronunciation

/pro.kr.i.tk/

例句 Examples

Prokaryotic cells are usually much smaller than eukaryotic cells.
原核细胞通常比真核细胞小得多。

The study compared prokaryotic gene regulation with eukaryotic mechanisms to explain why antibiotics can target bacteria without harming human cells.
这项研究比较了原核生物的基因调控与真核机制,以解释为什么抗生素能针对细菌而不伤害人体细胞。

词源 Etymology

来自科学新拉丁语构词:**pro-**(“在……之前”)+ karyon(希腊语“核、果仁”,在生物学中指“细胞核”)+ -tic(形容词后缀)。字面含义接近“在(形成)细胞核之前的”,用来强调这类生物没有典型的膜包裹细胞核。

相关词 Related Words

文学作品 Literary Works

  • **Microbiology**(Prescott 等主编的经典教材,常出现 prokaryotic 相关表述)
  • **Molecular Biology of the Cell**(Alberts 等,涉及原核与真核对比时常用该词)
  • **Campbell Biology**(Reece 等,基础生物学教材中讲细胞结构与分类时频繁出现)
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