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核小体是染色质的基本单位。Nucleosome is the basic unit of chromatin.

染色质甲基化后会出现凝缩。Methylation of chromatin causes it to condense.

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染色质呈泡状，可见小的核仁。The chromatin is vesicular, and small nucleoli are present.

染色质的卷曲程度因细胞的功能活动而不同。The degree of coiling of the chromatin varies during cell activity.

随后，染色质从细胞核中分离并进行超声打断。Subsequently, chromatin is isolated from nuclei and subjected to sonication.

在联会发生前，染色质纤维凝聚在轴成分上呈现出染色粒。Before synapsis, chromatin fibers condense at the chromosome axes forming the chromomeres.

另外CHK1其他潜在的功能包括复制、染色质改型和DNA修复。Other potential CHK1 functions include replication , chromatin remodelling and DNA repair.

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在紧缩期间，核质中的物质可以分为异染色质和常染色质。At this phase condensed, deeply staining chromatin masses are often seen in the nucleoplasm.

在序列的每个位置上，我们都可以测量染色质的这些不同属性。At each location on the sequence, we can measure all these different attributes of chromatin.

我们的一个研究重点是染色质修饰在DNA损伤反应中的作用。We are particularly interested in the roles of chromatin modifications in DNA damage response.

经由外形的些微变换，染色质得以把不同的基因展示于转录器。By slightly changing shape, chromatin may expose different genes to the transcription machinery.

组蛋白既保护DNA也在它们与DNA结合形成染色质时调节基因表达。Histone proteins both protect DNA and regulate genes as they combine with DNA to form chromatin.

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组蛋白作为核小体的基本组分，是染色质的结构和功能必需的。Histones , as basic components of nucleosome, are essential to chromatin structure and function.

染色质当中DNA与蛋白质的数量约各占一半，后者大多以组织蛋白的形式存在。Chromatin contains half as much DNA as it does protein, most of which is in the form of histones.

染色质去阻扼后出现的开放构象能促进基因转录。Derepression of chromatin to an open conformation may lead to the promotion of gene transcription.

DNA和组蛋白的复合物。参见核小体。Chromatin --- The complex of DNA and proteins of which chromosomes are composed. See also nucleosome.

在椭形胚期，宿存助细胞核内的染色质及核仁消失，有细胞质侵入核内。At ellipsoidal embryo stage, the chromatin and nucleoli disappear and some cytoplasm enters the nucleus.

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结果表明，随着精母细胞的发育，核质凝聚程度逐渐增强。With the development of the spermatocyte the electron density in the chromatin showed a steady increase.

外核层细胞核染色质固缩，分布不均匀，向中央聚集。The nuclear chromatin in the outer nuclear layer gathered toward the center with the uneven distribution.

每个长链DNA与组蛋白和非组蛋白一起构成染色质物质。Each long strand of DNA combines with histones and nonhistone proteins to make up the substance chromatin.