限制点 [
xiàn zhì diǎn]
[细胞] restriction point
- 真核细胞中的高,如哺乳动物细胞,信号,逮捕行动的周期通常在G1期检查点。细胞,通过这项限制点致力于完成周期。
In higher eucaryotic cells, such as mammalian cells, signals that arrest the cycle usually act at a G1 checkpoint. - 这样的话,可以通过后期处理减弱曝光度,同时因为相机感光较多,可以把噪点限制到最少。
This way the exposure can always be decreased afterwards — while still maintaining minimal image noise because more light was collected at the digital sensor. - CDK2是CDK家族中的重要成员,它直接参与细胞周期G_1/S限制点、S期DNA复制和中心体复制的调节,它的活性和功能调节是细胞周期运转的的关键环节之一,与细胞癌变有着十分密切的关系。
CDK2, one of the important members in CDK family, directly regulates the critical steps in cell cycle progression including transition of G1/S checkpoint, DNA replication and centrosomed.
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