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positive chemotaxis

/ˈpɒzɪtɪv ˌkiːməʊˈtæksɪs/

翻译: 细胞或生物体朝着化学吸引物(如营养物质或信号分子)浓度较高的方向移动的现象。

1 个条目

phrase

/ˈpɒzɪtɪv ˌkiːməʊˈtæksɪs/C1formalscientific
  • zh细胞或生物体朝着化学吸引物(如营养物质或信号分子)浓度较高的方向移动的现象。

The movement of a cell or organism toward a higher concentration of a chemical attractant, such as nutrients or signaling molecules.

  1. Movement toward a chemical stimulusC2formal

    The movement of an organism or cell in response to a chemical stimulus, specifically toward a higher concentration of a beneficial substance.

    zh正趋化性

    • White blood cells exhibit positive chemotaxis toward sites of infection.
    • Bacteria show positive chemotaxis towards nutrients like glucose.
    • Sperm cells use positive chemotaxis to find the egg.