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。
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。
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。
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。
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。
Generally speaking, the genes exist in the cell nucleus.
遗传基因一般存在于细胞核里。
The cell nucleus swelled together with chromatin dissolving;
细胞核肿胀伴细胞核染色质溶解；
The mycorrhizal fungi affects the size and shape of the host cell nucleus.
春兰菌根真菌对其宿主的细胞核大小及形状有一定的影响。
The expression of PR: The positive expression of PR is pale brown in cell nucleus.
PR的表达情况：PR阳性表达定位于细胞核内，为棕黄色染色。
DHBV-DNA in the cytoplasm, cell nucleus and medium supernatant was assayed over time.
分时段检测细胞核、细胞浆及培养上清的DHBV - DNA。
One of the roles of this protein is to enter the cell nucleus and activate gene expression.
该蛋白的一个作用是进入细胞核来激发基因表达。
Result All of the infiltration of mesenchymal, the abnormal structure and cell nucleus has diagnosis meaning.
结果结构异常、核异型、间质浸润均有诊断意义。
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。
Chromosome — One of the threadlike structures in the cell nucleus; consists of chromatin and carries genetic information (DNA).
细胞核中的线形结构；由染色质构成，携带遗传信息(dna)。
Somatic cell nuclear transfer-the transfer of a cell nucleus from a somatic cell into an egg from which the nucleus has been removed.
体细胞核转移-将体细胞中的细胞核转移到另一个已去除细胞核的卵细胞中。
Objective: To compare compound staining methods showing leprotic bacillus, elastic fibre and cell nucleus etc . in skin biopsy tissue.
目的：探讨显示皮肤活检组织中抗酸麻风杆菌、弹力纤维和细胞等组织成分的复合染色法。
Somatic cell nuclear transfer - the transfer of a cell nucleus from a somatic cell into an egg from which the nucleus has been removed.
体细胞核转移-将体细胞中的细胞核转移到另一个已去除细胞核的卵细胞中。
The quantity analysis by electronic imaging system may objectively reveal the ultrastructural changes of cell nucleus and mitochondria.
电镜图像定量分析能客观反映细胞核及线粒体的变化情况。
Results:(1) The anoxic skeletal muscle fibers was vivid red in color while the normal one was yellow and the cell nucleus was black blue.
结果：缺氧骨骼肌纤维呈艳红色，正常骨骼肌纤维呈黄色，细胞核呈蓝黑色；
Results NGF chiefly located in endochylema and cell nucleus of neuron in cerebral cortex , hippocampus and reticular formation of brain stem.
结果：NGF主要位于正常大脑皮质各层、海马各区以及脑干网状结构神经元细胞的胞浆与胞核；
Objective: To study on the correlation between proliferating cell nucleus antigen (PCNA) and P53 protein expressions in ovarian epithelial tumors.
目的：研究卵巢上皮性肿瘤中pcna和P 53蛋白表达的相关性。
After infecting liver cells, the circular HBV genome travels to the cell nucleus, where it is remains, as a circle, independent from the cell chromosomes.
在HBV感染肝细胞以后，环状病毒基因组进入细胞核，并停留其中不受宿主细胞染色体的影响。
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。
Resistance to corn sheath blight is primarily controlled by cell nucleus, generally not affected by cytoplasm effect, but some combinations may be suffered by the cytoplasm effect.
玉米纹枯病抗性主要受细胞核遗传控制，一般不受细胞质效应的影响，但有的组合可能受细胞质效应的影响。
In 3-month-course group, all the changes above appeared to be more serious with capillarectasia, basement membrane thickened, rod-cell nucleus pyknosis and metachromatin condensed.
病程 3 月组，上述改变加重，毛细血管扩张、基底膜增厚，视杆细胞核固缩、异染色质浓集；
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。
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。
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