- 更多网络例句与姐妹细胞相关的网络例句 [注：此内容来源于网络，仅供参考]
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Objective: To observe the effect of melatonin on frequency of sister chromatid exchange and cell proliferation kenitics in lymphocytes from human peripheral blood in vitro.
目的：观察褪黑素对体外培养人外周血淋巴细胞的姐妹染色单体交换和细胞增殖动力学的影响。
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Studies on Sister Chromatid Exchange and Cell Cycles
姐妹染色单体交换和细胞生长周期的研究
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Methods The bone marrow cells of pure Kumming species of mice were used as experimental material in which the micronucleusand sister chromatid exchanges induced by cyclophosphamide were used as an index.
方法以昆明纯种小鼠的骨髓细胞为实验材料，用公认的诱变剂环磷酰胺诱发的微核率和姐妹染色单体互换频率为指标，研究EGCG对CP诱导小鼠骨髓细胞MN和SCE的影响。
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Cell cycle is the cell through a series of orderly changes in the cells to achieve cell growth and proliferation process of cell cycle regulation and individual development, differentiation, growth, regeneration, aging and cancer cells is closely related to eukaryotic cell cycle mitosis two key processes, namely DNA replication and sister chromatid evenly assigned to the sub-cells.
细胞周期是指细胞通过一系列有序的细胞内变化，实现细胞生长和分裂增殖的过程细胞周期的调控与个体发育、分化、生长、再生、衰老以及细胞的癌变密切相关真核细胞有丝分裂周期有两个关键的过程，即DNA的复制和姐妹染色体均衡地分配到子细胞中。
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Objective: To study the changes of sister chromatid exchange rate in the mutator cell of tumor cell and mutagenized by drug or teratogen.
姐妹染色单体互换(sister chromatid exchange，SCE)检测是细胞遗传学研究领域的一项重要技术。
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Methods: The expression of mutated P53 gene in human lymphocytes was investigated using flow cytometry.And the micronucleus and sister chromatid exchange tests were studied in vitro.
以正常人外周血淋巴细胞为材料，用流式细胞仪检测环磷酰胺对突变型P53基因表达的影响，同时以微核及姐妹染色单体互换为指标，进行致突变研究。
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At normal state, the separase hasn't activity because of its inhibitor securin. But during the transition from metaphase to anaphase, APC is activated and it discomposes the securin. Then the separse what is a protease has activity and it discompose cohesin. So the sister chromatids separate.
通常情况下分离酶受到保全素(securin/PTTG)的抑制而没有活性，当细胞从有丝分裂中期向后期转变时，APC(anaphase-promoting complex，后期促进复合体)被激活并裂解保全素，具有蛋白酶活性的分离酶裂解粘合姐妹染色单体的粘合素，姐妹染色单体分离。
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This type of resolution may be decided at the point of cell division, when asymmetric distribution of regulatory proteins in daughter cells can lead to differential gene expression patterns .
这种分解的类型在细胞分化时就已经决定了。姐妹细胞中的调节蛋白不对称分配时，会导致不同的基因表达方式。
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Telophase The final stage in mitosis and meiosis, in which the separated chromatids or homologous chromosomes of bivalents collect at the poles of the spindle and the nuclei of the daughter cells are formed.
细胞分裂的末期：是细胞的有丝分裂和减数分裂的终极阶段。在这个时期内，分离的姐妹染色单体或二价体的同源染色体向纺锤体两极聚拢，同时子代细胞核形成。
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During the mitosis, the correct separation of sister chromatids is necessary in normal transition from anaphase to telophase and it guarantees exact distribution of DNA. The non-disjuction is the important reason for forming the aneuploid.
在有丝分裂时，姐妹染色单体的正确分离既起到保证遗传物质准确分配的作用，又是分裂细胞从后期向末期过渡所必需的；而姐妹染色单体不分离则是产生非整倍体细胞的重要原因。
- 更多网络解释与姐妹细胞相关的网络解释 [注：此内容来源于网络，仅供参考]
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karyotype：染色体核型
3、细胞分裂期染色体分裂期染色体=一对姐妹染色单体(Chromatid) 有丝分裂中期46条染色体按大小和形状排列的的光学显微镜图像称为人的染色体核型(Karyotype) 三、染色体的结构要素.
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nondisjunction：不分离
染色体数目异常是由于染色体行态异常或复制异常,其原因有四方面:(1)不分离: (nondisjunction)指在细胞分裂的中期和后期,某一对同源染色体或姐妹染色单体同时进入一个子细胞核为不分离; (2)染色体遗失(chromosome loss): 在细胞分裂的中后期,