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prophase

/ˈprəʊ.feɪz/

翻译: 名词,指细胞分裂(有丝分裂或减数分裂)的第一阶段,此时染色体凝缩并变得可见。

1 个条目

noun

C1formalcommonscientific/ˈprəʊ.feɪz/

A noun referring to the first stage of cell division, occurring in both mitosis and meiosis, during which chromosomes condense and become visible.

  • 🇨🇳名词,指细胞分裂(有丝分裂或减数分裂)的第一阶段,此时染色体凝缩并变得可见。
  1. First stage of mitosis C1 formal scientific

    The initial stage of cell division in mitosis, during which chromosomes condense, the nuclear envelope breaks down, and the mitotic spindle begins to form.

    • During prophase, the chromatin fibers condense into visible chromosomes.
    • The nuclear membrane disintegrates in prophase of mitosis.
    • Prophase is followed by prometaphase in the mitotic cycle.

    🇨🇳有丝分裂前期

  2. First stage of meiosis C1 formal scientific

    The initial stage of meiosis, consisting of prophase I and prophase II, where homologous chromosomes pair up and crossing over occurs in prophase I.

    • Prophase I of meiosis is characterized by synapsis of homologous chromosomes.
    • Crossing over between chromatids occurs during prophase I.
    • Prophase II is much shorter and simpler than prophase I.

    🇨🇳减数分裂的第一阶段

  • prophases plural form
  • prophases' possessive plural form
  • prophase's possessive singular form