Conclusion: Except age increase, there is abnormal expression of telomerase activity in nucleus cell of blood of patients with hypertension.
结论:除增龄外,高血压病患者外周血单个核细胞有端粒酶活性异常表达,且与增龄无明显关系。
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.
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。
The nucleus is removed from the egg cell.
细胞核已经从卵细胞中移除。
It is easily extracted, because it is one of a handful of genes found outside the cell nucleus, in structures called mitochondria.
它很容易提取,因为它是在细胞核之外、叫做线粒体的结构里被发现的少量基因之一。
Erythrocytes in mammals are anucleate when mature, meaning that they lack a cell nucleus.
哺乳动物中的红细胞成熟时是无核的,这意味着它们缺乏细胞核。
They lie outside the nucleus that houses the main human genome, and because there may be hundreds of them in each cell, their DNA is particularly easy to detect.
它们位于人类基因组的核心之外,由于在每个细胞内它们的存在都数以百千计,因此它们的DNA就特别容易被检测到。
The transmission of an extracellular signal from the surface of the cell to the nucleus by a relay of protein-protein and protein-ligand interactions.
细胞外的信号通过蛋白与蛋白和蛋白与配体的作用由细胞表面传送到细胞核。
But the big finding is that the cell nucleus has two compartments-and genes are only active in one.
研究者们的另一重大发现是,细胞核中存在两个间隔区域,而其中只有一个区域的基因是活跃的。
However, something similar could probably be made by inserting the nucleus of a human cell into the egg of another species, such as a rabbit.
然而,类似的事情可以通过把人类细胞核植入其他物种(比如,一只兔子)的卵细胞来完成。
Chromosomes, which are found in the nucleus of a cell, are thread-like structures that contain genes which determine the characteristics of an individual.
染色体是在细胞核中发现的,它是一种含有基因的线型结构,能够使不同人有不同特征。
They then transferred the fibroblast's nucleus to another dog's egg cell, with its nucleus removed.
然后他们把这个细胞核植入另一只狗的卵细胞中,而这个卵细胞的细胞核已经被移除。
And it is easily extracted, because it is one of a handful of genes found outside the cell nucleus, in structures called mitochondria.
同时也很容易以线粒体的结构萃取,因为它属于细胞核外的基因。
Although mastodon mitochondrial DNA has been sequenced before, the researchers say they were the first to do the analysis on DNA from the cell nucleus - in this case, using material from a tooth.
尽管此前已完成了美洲乳齿象的线粒体dna测序,研究者表示他们还首次实现了对细胞核dna的测序-在本例中使用的材料来自牙齿。
While, like bacteria, archaeans don't have a cell nucleus, they share other traits with eukaryotes like you and me.
虽然,像细菌一样,古生菌也没有细胞核,但是它们与你我这样的真核生物具有其他共同的特性。
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.
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。
It's even possible to make out structures within the cell, such as the nucleus, mitochondria and chloroplasts.
甚至可能辨认出如细胞核、线粒体、叶绿体等细胞结构。
While DNA stores the genetic information in the nucleus of every cell, RNA is a “carrier” of this information from DNA to other parts of the cell where the message is converted to protein.
DNA在细胞核中储存遗传信息,而RNA将DNA的信息带到细胞的其它部位,在那里指导蛋白质的合成。
The scientists extracted a cell nucleus from an organ of a dead mouse and planted it into the egg of another mouse which was alive, leading to the birth of the cloned mouse.
科学家们从死鼠的器官中提取细胞核,移入到另一只活鼠的卵细胞中,最终克隆出了小鼠。
Here, we investigate the possibility of whether a tumor cell nucleus, in which transformation is caused by somatic mutation, can be epigenetically reprogrammed into normal tissues.
在这里,我们调查的,是由体细胞突变引起的肿瘤细胞的细胞核,能被后生重编程进入正常组织的可能性。
The relatively larger GFP interferes with the function and mobility of actin, but actin molecules tagged with the smaller PRIME probes were able to move throughout the cell and even enter the nucleus.
相对较大的荧光蛋白探针会干扰肌动蛋白的功能和运动,但是通过小探针标记的肌动蛋白分子能够通过细胞甚至进入核心。
Their technique automatically tracked the position of the nucleus in each cell and classified its appearance into 16 different categories.
他们的技术自动追踪每个细胞的核定位,并将其外观分为16种不同类型。
Many believe mitochondria may play a bigger role - genetic material contained within the cell but outside the nucleus.
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。
The neurons in Modha's model only have a soma — the cell body containing the cell nucleus — and simplified spikes.
穆德哈的模型只有一个体细胞——该细胞拥有细胞核——和简化了的Spike神经元。
If the generation of the nucleation rate faster, and crystal nucleus formation, growth speed is slow, it generated more cell number, grain is fine.
如果晶核的生成速度较快,而晶核生成后的成长速度较慢,则生成的晶核数目较多,晶粒较细。
The nucleus is the information center of cell.
细胞核是细胞的信息中枢。
Losing the nucleus enables the red blood cell to contain more oxygen-carrying hemoglobin, thus enabling more oxygen to be transported in the blood and boosting our metabolism.
没有细胞核却使红细胞可以含有更多的可以运输氧的血红蛋白,从而使更多的氧通过血液的运输而加快我们的新陈代谢。
Vibration prompts movement of the cell nucleus, which is suspended by numerous threadlike fibers called filaments.
振动促进细胞核的运动,细胞核被无数名叫丝的线样纤维悬吊着。
The researchers demonstrated PRIME's specific subpopulation targeting by labeling proteins in only certain areas of a cell, including the nucleus, cell membrane, and cytosol.
研究人员研究证实PRIME标记蛋白的特定亚群标签只在细胞的某些特定范围,如细胞核,细胞膜和细胞质。
The researchers demonstrated PRIME's specific subpopulation targeting by labeling proteins in only certain areas of a cell, including the nucleus, cell membrane, and cytosol.
研究人员研究证实PRIME标记蛋白的特定亚群标签只在细胞的某些特定范围,如细胞核,细胞膜和细胞质。
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