V2EX s phase

S Phase

定义 Definition

S phase细胞周期中的S期(合成期):细胞在这一阶段进行 DNA 复制,把遗传物质从一套复制成两套,为后续细胞分裂做准备。(细胞周期还包括 G1 期、G2 期和 M 期等。)

发音 Pronunciation (IPA)

/s fez/

例句 Examples

S phase is when a cell copies its DNA.
S期是细胞复制其DNA的阶段。

After passing the G1 checkpoint, the cell enters S phase to replicate its genome before mitosis.
通过G1检查点后,细胞进入S期复制整个基因组,为有丝分裂做准备。

词源 Etymology

S 来自 synthesis(合成) 的首字母,强调这一阶段发生的是 DNA 的“合成/复制”phase 意为“阶段”。因此 S phase 直译就是“合成阶段”。

相关词 Related Words

文献与著作 Works

  • Molecular Biology of the Cell(《细胞的分子生物学》)
  • The Cell Cycle: Principles of Control(《细胞周期:控制原理》)
  • Essential Cell Biology(《细胞生物学精要》)
  • Lewin’s GENES(《Lewin 基因》)
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