细胞在高汇合度（>50％）或低血清（2％FBS）培养时，极易融合成肌管或肌细胞链；
When the cells at high confluence(>50%) or cultured with low concentration of serum(2% FBS), they tended to fuse to form myotubes.
在强磁场的影响下，红细胞会顺着磁场线的方向排列成细胞链，其中会有若干红细胞在领头细胞之后排列成一队。
In the presence of a strong magnetic field, the red blood cells form chains that align themselves with the field lines where convoys of red blood cells line up behind a leading cell.
正是这些串珠状的DNA 链的结构决定了它们所在细胞的命运。
It is the structure of these beaded DNA strings that guide the fate of the cells in which they are located.
每一个密码子或者编码一种氨基酸，或者告诉这些细胞停止生产这个蛋白质链。
Each codon either codes for an amino acid or tells the cell to stop making a protein chain.
我们身体中的大部分细胞都含有叫作染色体的DNA分子长链。染色体在其两端有保护帽，叫做端粒。
Most of the cells in our bodies contain long molecules of DNA called chromosomes that have protective caps at either end called telomeres.
蛋白质是细胞内生命的支柱，他们首先被制成长链分子，只有在他们被折叠成最终形态后才能正常的工作。
Proteins are the building blocks of life inside cells; they are first made as long chains of molecules and work properly only after they have folded into their final shape.
手机并不能导致癌症，因为它们放射的能量不足以破坏细胞内的分子链。
Cell phones cannot cause cancer, because they do not emit enough energy to break the molecular bonds inside cells.
这种复制与细胞DNA链的复制或者人类对媒母的复制大不相同。
This copying is quite different from the way cells copy strands of DNA or humans copy memes.
地球上多数的氧气都是这些单细胞光合作用的生命制造的，他们还是海洋食物链的基础。
The single-celled photosynthetic organisms produce much of the oxygen on earth and are the base of the marine food chain.
哺乳动物细胞只能识别单链RNA,如果细胞的防御机制发现了双链RNA就会破坏它以保护机体不受病毒的感染。
Mammalian cells make only the single-stranded variety. If a cell’s defence mechanisms detect double-stranded RNA they destroy it, to protect against infection.
浮游动物包含各种各样的小生物体，从单细胞原生动物到水母、磷虾和桡足类动物，为海洋食物链提供了基本的链接。
The zooplankton, which encompass a wide range of little organisms from single-cell protozoa to creatures such as jellyfish, krill and copepods, provide the basic link in the ocean food chain.
对DNA的化学表弟分子RNA链作为使者，携带订单到细胞的蛋白质工厂，并将其转化为行动。
Strands of DNA's chemical cousin RNA served as molecular messengers, carrying orders to the cells' protein factories and translating them into action.
哺乳动物细胞对双链RNA不识别意味着可用短发卡RNA来阻断信使RNA,从而使相应基因的信号无法传递。
This aversity to double-stranded RNA means short hairpins can be used to knock out the messengers, thus nullifying the signal from the underlying gene.
接着，其他的因子帮助细胞关闭蛋白质信号链，从而给予了细胞新的身份。
Then the other factors help to set off a cascade of protein signals that give a cell its new identity (see the Review by Gurdon and Melton on p. 1811).
通过开启和关闭基因，甲基不改变基本的DNA链就可以对细胞和机体的形态与机能产生深远的影响。
By turning genes on and off, methyls can have a profound impact on the form and function of cells and organisms, without changing the underlying DNA.
它可促使DNA基因单链复制，这被称作信使RNA（mRNA），它会传递信息给细胞产生蛋白质。
It makes single-stranded copies of DNA’s genes, called mRNA, which tell the cell to produce proteins.
在所有已存在的生命形式中，细胞的蛋白质合成机制通过读取代表核苷酸的四个DNA化学“字母”来合成氨基酸链。
In all existing life forms, the cell's protein-making machinery reads the four chemical "letters" of DNA - called nucleotides - in triplets to make chains of amino acids.
肽是影响人体细胞功能的氨基酸短链。
Peptides are short chains of amino acids that can influence how human cells work.
在这一过程中，病毒创建长链的双链rna，这一结构在人体和其他动物体细胞中没有发现。
During this process, the viruses create long strings of double-stranded RNA (dsRNA), which is not found in human or other animal cells.
他们认为，在几十亿年前，包括RNA在内的单链核糖是生命的第一形态，完成一些现在由蛋白质来完成的复杂细胞功能。
They believe that billions of years ago, single strands of nucleotides that comprise RNA were the first forms of life and carried out some of the complicated cellular functions now done by proteins.
提示该活性蛋白属于蛋白酶，可能是细胞增殖信息传递链的组分或是使传递链组分活化的物质。
It suggests that the active proteins may be proteases, and they may be the constituents of cell proliferative information transportation chain or the activators of the constituents.
所产生的通道使得它们能够通过细胞膜移动单链和双链dna。
The resulting channel enabled them to move both single - and double-stranded DNA through the membrane.
最近的实验发现，用该方法制造的新组织可以缓解帕金森病小鼠和链状细胞性贫血小鼠症状。
More recent experiments have shown that fresh tissue derived in this manner can alleviate the symptoms of Parkinson's disease and sickle-cell anemia in mouse models.
目的：研究机体获得热适应后肝脏细胞线粒体呼吸链相关基因的差异表达。
Objective:To determine differentially expressed genes of mitochondrial electron transport chain of the liver cells of the heat adaptation rats.
所形成的药物三磷酸毒性分子，可以抑制DNA并竞争性的掺入细胞DNA链中，使DNA链破碎，杀死细胞。
The toxic tri-phosphoric acid molecules can repression DNA polyenzyme and competitive enter DNA chains of cells. As a result, DNA chains are broken and cells are killed.
神经母细胞瘤是起源于肾上腺髓质和交感神经链的恶性肿瘤，早期转移，死亡率很高。
Neuroblastoma is the malignant tumor that arises from adrenal medulla and the sympathetic nerve and the fatal rate is very high when metastasis occurs in the early phase.
细胞汇合后少部分细胞出现双核或三核，甚至出现核链，显示肌细胞分化倾向。
Two or three nuclei, and even nucleus chain were observed in some of the cells after confluence, showing a trend of muscle cell differentiation.
细胞汇合后少部分细胞出现双核或三核，甚至出现核链，显示肌细胞分化倾向。
Two or three nuclei, and even nucleus chain were observed in some of the cells after confluence, showing a trend of muscle cell differentiation.
应用推荐