checkpoint是什么意思

双语用例

• Thus, there may be an evolutionarily conserved asymmetry in the metaphase checkpoint, which may reveal something about its mechanism.

• Checkpoint proteins are crucial for cellular responses to injury, including radiation damage.

• Obviously, a processor can always transmute into a checkpoint by just standing still.

• We conclude, therefore, that the replication-sensitive checkpoints that operate during mitosis are absent or inactive during meiosis.

• An extension of this examined the possibility of checkpoints during meiosis itself, specifically during metaphase.

• We cannot exclude the possibility that the spindle assembly checkpoint acts during the first mitosis.

• Meiotic spindle and spindle checkpoint proteins are responsible for normal chromosome alignment and separation during meiosis.

• In this study, we addressed the developmental activation of the metaphase checkpoint in the zebrafish embryo.