一旦合成，组蛋白就会进入细胞核，细胞核内的DNA片段会将组蛋白包裹起来，形成一种类似串珠或绳结的结构。
Once synthesized, the histones move into the cell nucleus, where a section of DNA wraps around them to form a structure that resembles beads, or knots, on a string.
SWI /SNF通过改变细胞核内的遗传物质包装来工作。
SWI/SNF works by altering the packaging of genetic material inside a cell's nucleus.
细胞核内的核素对细胞核吸收剂量的贡献远大于细胞质中的核素。
The contribution of intranuclear radionuclides to mean absorbed dose was larger than that of extranuclear ones.
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.
结论：GR 6基因的表达产物即GR 6假设蛋白可能是细胞核内的一种信号分子。
Conclusion: The putative GR6 protein, encoded by GR6 gene may predictably function as an important nuclear signal transduction molecule.
无论是动物还是植物，其细胞核内的染色体，不仅具有一定的数目，而且还有一定的形状。
No matter what plant or animal, the chromosome in its karyon has a certain number and shape.
结合文献报导的一些细胞中的TIMP-1核内分布现象，提示TIMP-1在细胞核内的分布可能不是特殊的情况。
PCNA was found to be negatively correlated with TIMP-1 nuclear distribution, suggesting the TIMP-1-Nuclear-Positive cells might not be in the active proliferation state.
这些复杂的细胞结构通过细胞表面与细胞核内的受体、信号转导途径等实现对刺激信号的吸收并根据不同的微环境做出相应的应答。
Furthermore, through cell surface or nucleus receptors and signal transduction pathway, cell can absorb various stimulation, at the same time, react according to the different microenvironment.
这些变化很容易被识别，因为线粒体dNA基因组的规模不大- - -仅仅16 000个单位- - -相比之下，细胞核内的基因组却有30亿个单位。
These changes are easy to identify because the mitochondrial DNA genome is so small - just 16, 000 units - compared with the three billion units of the genome in the cell's nucleus.
CREB是细胞核内的转录因子，能显著提高细胞内其他蛋白质的含量，据研究认为CREB不论是在海参还是在人体中，均与生物有机体中记忆的形成有关。
CREB, a transcription factor that typically increases the production of other proteins in cells, is believed to be involved in memory formation in organisms from sea slugs to humans.
病毒跟我们是一家人：科学家认为，十多亿年前一个大的DNA病毒在细菌细胞内居住并形成了第一个细胞核。
We are family: Scientists suspect that a large DNA-based virus took up residence inside a bacterial cell more than a billion years ago to create the first cell nucleus.
某些原生动物或真菌中发生于或在单个细胞内细胞核的接合作用。
The union of nuclei within and arising from a single cell, as in certain protozoans and fungi.
尖锐湿疣是一种HPV病毒感染，这个HPV病毒是潜伏在人体表皮细胞核内，肉眼是看不见的。
Acuteness wet wart is a kind of HPV virus infection, the HPV virus is latent in the human skin cell nucleus, naked eye is invisible.
许多人认为，线粒体可能发挥更大的作用-包含细胞内的细胞核外的遗传物质。
Many believe mitochondria may play a bigger role - genetic material contained within the cell but outside the nucleus.
真核细胞基因组以染色质状态存在于细胞核内，基因的表达调控首先要在染色质水平发生变化。
Eukaryotic genome is packaged into chromatin in the nucleus. There must be some change at chromatin level during gene expression regulation.
在每一个细胞内，都有一个像球一样的部分，这叫细胞核，它组织细胞内的一切活动。
In every cell there is a part like a little ball. This is the nucleus, which organizes the work of the cell.
分子伴侣一词最初是指一类在细胞核内介导蛋白和核酸相互作用的生物分子。
The term "molecular chaperone" was originally used to describe a class of biomolecules, which mediate interactions between nuclear acids and proteins in the nucleus.
DNA水平和染色体水平上的调控都是在细胞核内发生的，那么就与核内的复杂结构密不可分。
The regulation at both DNA level and chromatin level happen in the nucleus and are closely related to the nuclear structure.
HBV基因组核转位进入细胞核是HBV在肝细胞内复制的重要环节。
The entry of HBV genome to nuclear is an important step of HBV replication in hepatocytes.
背景的部分小淋巴细胞核内也出现了阳性信号。
Positive signal was found in the nuclei of surrounding small lymphocyte.
首次观察到成熟腺毛头部为具有独特的内突生长的传递细胞，细胞为圆球形，细胞质稠密，细胞核大，内质网发达，液泡较小，细胞壁厚。
We first observed that the head ofmature tentacle contained transfer cells which were pellet shape, thickness cytoplast, large nucleolus, developing endoplasm, small vacuole and thick cell wall.
囊性肾细胞癌的癌细胞内为透明的胞浆，细胞核小而深染。
The tumor cells lining the septa hae clear cytoplasm and small hyperchromatic nuclei.
目的：探讨胞质内直接注核法和电融合法对大鼠-小鼠种间体细胞核移植重组胚发育的影响。
Objective:To study the effect of reconstructed embryos by cytoplasm injection and electrical fusion in rat-mouse inter-species somatic cell nuclear transplantation.
PR的表达情况：PR阳性表达定位于细胞核内，为棕黄色染色。
The expression of PR: The positive expression of PR is pale brown in cell nucleus.
结果：神经胶质瘤细胞株u343表达死亡受体DR5, DR 5分布于细胞内细胞核的周围。
Results: The expression of death receptor 5 (DR5) was certificated in U343, DR5 appeared to be located in intracellular perinuclear compartment.
目的探讨肿瘤内毛细血管间距(ICD)和增殖细胞核抗原(pcna)与宫颈癌放射敏感性的关系。
Objective To investigate the correlationship between proliferating cell nuclear antigen (PCNA), intercapillary distance (ICD) and radiosensitivity in uterine cervical cancer.
跨膜受体可从膜表面进入细胞核内直接调控细胞的生命活动，但其核转位的途径至今尚无定论。
Although transmembrane receptors from cell surface to nucleus can generally regulate the cellular life activities, their pathways of nuclear translocation still remain to be elucidated.
跨膜受体可从膜表面进入细胞核内直接调控细胞的生命活动，但其核转位的途径至今尚无定论。
Although transmembrane receptors from cell surface to nucleus can generally regulate the cellular life activities, their pathways of nuclear translocation still remain to be elucidated.
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