| 单词 | checkpoint |
| 释义 | checkpoint noun[C] uk/ˈtʃek.pɔɪnt/us/ˈtʃek.pɔɪnt/aplacewherepeoplearestoppedandaskedquestionsandvehiclesareexamined,especiallyat aborderbetween twocountries: （尤指边境的）检查站；边防关卡Checkpoint Charlie was the mostfamousbordercrossingbetweenEastandWestBerlin.查理检查站以前是东西柏林之间最有名的过境处。 Territorial boundaries
checkpoint| American Dictionarycheckpoint noun[C] us/ˈtʃekˌpɔɪnt/aplacewherepeopleorvehiclesarestoppedandexaminedby anofficial Examplesofcheckpointcheckpoint Thus, there may be an evolutionarily conserved asymmetry in the metaphasecheckpoint, which may reveal something about its mechanism. From theCambridge English Corpus Checkpointproteins are crucial for cellular responses to injury, including radiation damage. From theCambridge English Corpus Obviously, a processor can always transmute into acheckpointby just standing still. From theCambridge English Corpus We conclude, therefore, that the replication-sensitive checkpoints that operate during mitosis are absent or inactive during meiosis. From theCambridge English Corpus An extension of this examined the possibility of checkpoints during meiosis itself, specifically during metaphase. From theCambridge English Corpus We cannot exclude the possibility that the spindle assemblycheckpointacts during the first mitosis. From theCambridge English Corpus Meiotic spindle and spindlecheckpointproteins are responsible for normal chromosome alignment and separation during meiosis. From theCambridge English Corpus In this study, we addressed the developmental activation of the metaphasecheckpointin the zebrafish embryo. From theCambridge English Corpus If the understanding ofcheckpointregulation during early embryonic mitotic cell cycles is limited, similar information is totally lacking concerning meiosis. From theCambridge English Corpus Thischeckpointtherefore provides time for mechanisms of restitution to function and prevent mitotic catastrophe. From theCambridge English Corpus It is not known, however, whether the samecheckpointexists in porcine zygotes. From theCambridge English Corpus These results imply the existence ofcheckpointregulators which recognise early metaphase molecules and as a result delay meiotic progression. From theCambridge English Corpus The metaphasecheckpointwill produce a reversible metaphase arrest in many different cell types. From theCambridge English Corpus However, news reports indicate that police forces were more interested in mounting illegal checkpoints and extorting bribes from civilians than in maintaining law and order. From theCambridge English Corpus The secondcheckpointis 'positive selection', which occurs after selection has signalled the cell to rearrange the chain genes. From theCambridge English Corpus These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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