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.
髓核内的应力和位移变化相对较小。
The intra- stress and displacement of nucleus wascomparatively lesser.
星体燃烧了核内的氦，吞并了行星或伴星吗？
Did the star ignite helium at the core, swallow a planet, or swallow a companion star?
对侧孤束核及迷走神经背核内的末梢较同侧为少。
They are less in the contralateral solitary tract nucleus and the dorsal nucleus of the vagus nerve.
那么，这些囊膜蛋白是如何定向地从胞质转运至核内的呢？
The mechanism of protein transporting and targeting is of quite interest to us.
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.
核内的加工酶切下内含子，同时外显子(编码序列)连接在一起。
The introns are cut out by processing enzymes in the nucleus and the exons (coding sequences) ligated together.
其中的神经元前体细胞胞质游离核糖体较多，核大，核内的染色质疏松。
The neuronal precursors in the SVZ showed many ribosomes and big nucleus with ab.
疾病后期，核内的RHDV颗粒通过破损的核膜或核崩解向细胞浆扩散。
After manifestative stage of the disease RHDV gradually diffused from nucleus into cytoplasm and reached a maximum in cytoplasm at agonal stage.
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.
有趣的是，迁移至植物核内的内共生蛋白会变得比蓝藻直系同源还要大。
Interestingly, endosymbiotic proteins that migrated to the plant nucleus became larger than their cyanobacterial orthologs.
其中的神经元前体细胞胞质游离核糖体较多，核大，核内的染色质疏松。
The neuronal precursors in the SVZ showed many ribosomes and big nuc...
目的观察大鼠坐骨神经和盆神经初级传入纤维在腰骶段脊髓后连合核内的分布。
Objective To Study the distribution of primary afferent fibers of the sciatic and pelvic nerves in the dorsal commissural nucleus (DCN) of the rat lumbosacral spinal cord.
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.
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.
以上结果表明，杏仁中央核内的AMPA受体可能参与杏仁核对臂旁核味觉神经元的下行调控。
These results suggest that AMPA receptors within the CeA may be involved in the descending modulation in the PBN taste neurons.
哺乳动物中的昼夜节律系统由位于下丘脑scn核内的生物钟主钟和位于多数外周细胞中的子钟组成。
The circadian system in mammals is composed of a master pacemaker in the suprachiasmatic nucleus (SCN) of the hypothalamus and slave clocks in most peripheral cell types.
结论大鼠杏仁内侧核内的NADPH d阳性终末主要起源于上述核团，并且提示它们参与杏仁内侧核的功能调节。
Conclution the NADPH-d positive terminals in the me originates from the aforementioned nucleus, and may relate to the function of the me.
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.
用含有0.6%台盼蓝和0.2%伊红的混合染色液涂染肝胰腺细小病毒样病毒感染的对虾肝胰腺，观察到了核内的病毒包涵体。
Intranuclear inclusions of HPV were observed when infected hepatopancreas were stained with the solution containing 0.6% Trypan blue and 0.2% Eosin y.
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.
免疫细胞化学方法观察了GABAA受体(gabaar)亚单位、GABA和GAD在大鼠三叉神经尾测亚核内的分布及其匹配关系。
The distribution and match relationship of CABAA receptor (GABAAR) subunits and GABA, GAD were observed in the caudal trigeminal nucleus of rat with immunocytochemistry method.
应用顺行溃变和HRP逆行追踪相结合的方法对猫内侧丘系与丘脑皮质投射神经元在丘脑腹后外侧核内的突触联系组合型式进行了研究。
The synaptic connections between the medial lemniscus and the thalamocortical projecting neurons (TPN) were studied by using both anterograde degenerating and HRP retrograde tracing methods.
本文采用HRP逆行追踪与顺行溃变结合法对猫三叉神经尾侧脊束核-丘脑-皮质通路在丘脑腹后内侧核内的突触联系型式进行了研究。
The synaptic relationship between the trigeminothalamic terminals and thalamocortical projecting neurons were studied by using anterograde degenerating combined with HRP retrograde tracing methods.
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.
在一个原子的核内，中子和质子聚合在一起。
Neutrons and protons are bound together in the nucleus of an atom.
在一个原子的核内，中子和质子聚合在一起。
Neutrons and protons are bound together in the nucleus of an atom.
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