A handful of genes that are normally active in the developing embryo are expressed in a differentiated cell, such as a skin cell, causing that cell to revert back to its undifferentiated state.
一些通常在发育胚胎中活跃的基因会被分化细胞(比如皮肤细胞)表达，促使细胞回复到未分化状态。
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。
The new field depends on capturing master proteins called transcription factors that control which sets of genes are active in a cell and thus what properties the cell will possess.
这一新研究领域依赖于获得被称作转录因子的主蛋白质，这种蛋白质控制细胞中哪组基因被激活，从而也就控制了细胞拥有哪些特性。
Facultative heterochromatin is the heterochromatin that may become transcriptionally active in specific cell development fates.
兼性异染色质是在特定细胞发育命运中可能具有转录活性的异染色质。
Though most cells in any individual have the same set of genes, not all of these genes are active in any given cell.
尽管一个个体的大多数细胞都有同一套基因组，但是在每个细胞里不是所有的基因都起作用。
Active transport: This process is characterized by selectivity and saturability and requires energy expenditure by the cell.
主动转运这种转运过程的特征是选择性和饱和性，需要细胞的能量消耗。
Cell engineering and genetic engineering technology will open up a new route to artificial synthesis of natural active substances.
细胞工程和遗传工程技术将为人工合成天然活性物质开辟新的途径。
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.
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。
This article reviews the influences of the active composition of natural medicine to leukemia cell apoptosis.
本文综述了天然药物活性成分对白血病细胞凋亡的影响。
Objective To investigate the changes of serum T helper cell (TH)1/TH2 type cytokines after the active immunotherapy in unexplained habitual abortion (UHA) women.
目的探讨原因不明习惯性流产（UHA）患者主动免疫治疗前后血清T辅助细胞（TH）1/TH2型细胞因子的变化。
Gemcitabine is a new active drug in the treatment of advanced non small cell lung cancer (NSCLC).
吉西他滨是近年来治疗晚期非小细胞肺癌的有效新药。
A method for the detecting whether methyladenosine phosphatase (MTAse) is present in a cell sample in either a catalytically active or catalytically inactive form.
检测一个细胞样品中是否存在催化活性形式或非催化活性形式的甲基腺苷磷酸酶(MTA酶)的方法。
In addition to the expression of antigen on its surface, activated t cell releases various kinds of active substances, including cytokines, to regulate series of immunological responses.
细胞活化后除了表达细胞表面活化抗原外，主要释放多种活性物质发挥免疫调节功能，细胞因子是其中重要的一种。
We wish to increase our knowledge of plant seed germination and anisotropic cell growth through understanding their action mechanisms of these novel active small molecules.
通过对这些新型活性小分子作用机理的研究，我们希望增加对植物种子萌发及细胞各向异性生长的知识。
Apoptosis is that cells receive a variety of apoptotic signals, and the active cell death process takes place subsequently under the gene regulation.
凋亡是细胞接受各种凋亡信号，在基因调控下发生的主动死亡过程。
The only active ingredient in the spray is caffeine, which can naturally enter the human body through the skin by passing through cell membranes as it is very similar to nicotine in structure.
咖啡因是能量喷雾里唯一的活性组分，和尼古丁分子结构类似，它可以穿过表皮细胞膜直接进入人体。
Histological analysis showed active bone cell differentiation, proliferation, increased bone trabecula.
组织学分析显示：骨组织呈活跃增殖分化相，骨小梁增加，骨基质深染。
This change of shape converts the normally inactive kinase into an active one, which then sends signals inside the cell that trigger cell growth.
这种形状上的变化将通常状况下无活性的激酶转变为活性形式，随后将能够激发细胞生长的信号传递到胞内。
Subcutaneous white fat becomes more metabolically active, according to work presented in Atlanta by Bruce Spiegelman, a professor of cell biology at Harvard.
哈佛大学细胞生物学教授布鲁斯·施皮格尔曼（Bruce Spiegelman）在亚特兰大提交的论文指出，皮下白色脂肪的代谢会变得更活跃。
Cell segmentation is still an active area of research due to the complexity of the images.
由于细胞图象的复杂性，细胞的检出仍然是活跃的研究领域。
Methods: Flow cytometer (FCM) was used in detection of the expression of P170 and active t cell in leukemic cells from 30 cases of AML patients.
研究方法：用流式细胞仪检测30例急性髓性白血病的P_(170)和活化t细胞的表达。
Results BMSCs could be attached to and extended on both BGC and PLA, and normally grown, proliferated, had active function. BGC could promote cell proliferation.
结果骨髓基质细胞能在BGC、PLA 上贴附、繁殖，其生长及功能不受影响，并且BGC具有一定的促细胞增殖作用。
Objective to study the expressions of immune cell differentiation antigens in patients with active and inactive stages of systemic lupus erythematosus (SLE).
目的：探讨系统性红斑狼疮(SL E)患者疾病活动期和非活动期各种免疫细胞系列分化抗原表达的变化。
When light strikes the active area of a solar cell, electrons start flowing, and a direct electric current is produced.
当光正面打到太阳能电池上，电子开始流动，并直接形成电流。
METHODS Natural products were collected to screen in the stable cell line of GLP-1 receptor, and the active component was identified in the PC12 cells.
方法建立稳定的GLP-1受体激动剂高通量筛选模型，从天然药物中筛选活性成分；在PC12细胞中验证GLP-1受体激动剂的功能及作用机制。
An important part of the process is knowing which cell or configuration is active (identified as one of the above permutations). There are a couple of ways you can do this.
这一过程中很重要的一个环节就是识别哪个单元或者配置是激活状态(按上述配置之一确定)。
Apoptosis, or programmed cell death, is an active process of normal cell death during development and also occurs as a consequence of the cytotoxin effect of various neurotoxins.
细胞凋亡或程序性细胞死亡，是正常细胞发育过程中自主性的有序死亡，也是多种神经毒性物质细胞毒性效应作用的结果。
Programmed cell death (PCD) is an active and gene_regulated process which plays an important role in normal growth and development of plants.
细胞程序化死亡(PCD)是一种由基因控制的、主动的细胞死亡过程，它在植物正常生长发育过程中起着重要作用。
They were used as active material of anode materials for lithium ion batteries respectively, using constant-current cell tester to test their electrochemical properties.
将其分别作为锂离子电池负极材料的活性物质，利用恒电流电池测试仪研究它们的电化学性能。
They were used as active material of anode materials for lithium ion batteries respectively, using constant-current cell tester to test their electrochemical properties.
将其分别作为锂离子电池负极材料的活性物质，利用恒电流电池测试仪研究它们的电化学性能。
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