Before egg fertilization, the gene produces a protein, found in the cytoplasm of the egg, that controls the pattern of cell division and thus handedness.
卵子受精之前，这种基因会产生一种蛋白质，这种蛋白质存在于卵子的细胞质中，它控制着细胞分裂的模式，从而控制着旋向性。
I was so impressed with the way you handle the microscope and the samples of onion cells, and with how carefully you observed and diagramed and interpreted each stage of cell division.
你操作显微镜和洋葱细胞样本的方式，以及对细胞分裂各阶段的仔细观察、描绘和解释，让我印象非常深刻。
Now scientists have for the first time reversed the process of cell division, a breakthrough that could eventually lead to treatments for cancer and other disorders.
美国俄克拉荷马州医学研究基金会的科学家们第一次成功地将细胞分裂的过程加以逆转，这一医学技术上的突破可能会最终使人类获得治愈癌症及其它多种疾病的有效办法。
Researchers don't know yet what sparks cell division at the molecular level, but learning that process and how to control it could lead to a safe, effective stem cell therapy.
研究者还不知道在分子水平是什么激发细胞分裂，但是认识到这个过程以及如何控制它可以通往安全的有效的干细胞治疗道路。
The CPPU is a kind of novel plant growth regulator which has higher activities in promoting cell division, fruit setting and inducing parthenocarpy.
CPPU是一种新型植物生长调节剂，具有促进细胞分裂、促进座果、诱导单性结实等特点，在农业、园艺等领域有广泛的应用。
The fourth chapter introduces the method of triangle cell division, 2D equivalent parameter commutation is adopted.
第四章首先阐述了三角形网格的划分方法，其中用到了二维等参元变换。
Through ultra-structure observation, it is found that the microspore of Jin A began to abort at the stage of sporogenous cell division.
小孢子发育的超微结构观察发现，晋A不育系在造孢细胞增殖时期即表现出败育迹象。
Partial synchronization of cell division at anaphase-telophase has also been obtained only using HU treatment, mitotic frequency has reached at 17%.
HU对后、末期的部分同步化也有明显作用，约有17%的后、末期细胞被检测到。
Some help regulate basic cell division, which may have implications for cancer research: unregulated cell division can lead to the growth of tumours.
这些基因中有一些有助于调节基本的细胞分裂，这可能为癌症的研究提供线索：未调节的细胞分裂可能会导致肿瘤的生长。
Our findings suggest that direct cell type conversion occurs via successive steps, and that dedifferentiation can occur in the absence of cell division.
我们的发现表明，细胞类型的直接转变是逐步完成的，而且这个去分化的过程能够在无细胞分裂的情况下发生。
The initiation of DNA replication in mammalian cells is a highly coordinated process that ensures duplication of the genome only once per cell division cycle.
哺乳动物细胞的DNA复制启动是一个高度协调的过程，从而保证了每次细胞分裂中基因组只复制一次。
Failure has often struck at the stage of meiosis, a type of cell division during which paired chromosomes swap DNA and the number of chromosomes per cell is halved.
减数分裂是在配对的染色体交换DNA和细胞内染色体数目减半时的一种细胞分裂。
Hell has studied how brain synapses work, Dr. Moerner has looked at proteins related to Huntington's disease and Dr. Betzig has tracked cell division inside embryos.
黑尔曾研究大脑的突触如何工作，莫尔纳观察过与亨廷顿氏症有关的蛋白质，贝慈葛跟踪过胚胎中的细胞分裂过程。
Effects of 1, 2, 4-trichlorobenzene (TCB) stress on seedling growth, cell division and chromosomal aberration frequency of root-tip cells of Vicia faba were studied.
研究了1,2,4三氯苯(TCB)对蚕豆幼苗生长、根尖细胞分裂及染色体畸变的影响。
Wilmut said there were so many failures because it was difficult to ensure that the empty oocyst and the donor cell were at the same stage of the cell division cycle.
威尔·马特说之所以有这么多的试验失败，是因为很难保证空卵囊和供体细胞能处在细胞分裂周期的同一阶段。
These breaks can, for instance, be caused by ultraviolet light or X-rays, but also occur during cell division, when DNA molecules split and form two new DNA molecules.
这些断裂可由于紫外照射或X射线引起，同时也可在DNA分子一分为二的细胞分裂过程中发生。
Telomere DNA shortening during each round of cell division, due to the end replication problem and as a result, limit the proliferative potential of normal somatic cells.
端粒dna在细胞增殖过程中因为末端复制问题而逐代缩短，因此，限制了正常体细胞的增殖能力。
This review concentrates toxicant mechanism against plants in cell division, cell ultrastructural organization, cytolemma, photosynthesis, respiration and enzyme activity.
本文就重金属对植物细胞分裂、 细胞超微结构、细胞膜、光合作用、呼吸作用以及酶活性等方面作一简要综述。
The Karolinska Institute in Sweden said the three scientists have solved a major problem in biology: how chromosomes are protected against degradation during cell division.
瑞典卡罗林斯卡医学院表示，这三位科学家解决了生物上的一个重大问题：染色体在细胞分裂时怎样避免退化。
Conclusion: MTS1 is able to disturb the cell cycle of HO-8910 and suppress the cell division. This provides a further evidence for gene therapy of MTS1 on human ovarian cancer.
结论：MTS1基因可以改变卵巢癌细胞HO- 8910的细胞周期，这可能为卵巢癌的基因治疗提供了新的实验依据。
These interactions drive critically important cellular processes such as cell division, cell signaling, ion transportation, homeostasis, gene transcription, and translation, etc.
这些相互作用控制了许多关键的细胞生理过程，譬如细胞分裂、细胞信号传导、离子运输、稳态水平、基因转录、翻译等等。
Root growth is mainly determined by cell division and subsequent elongation in the root apical area. Components regulating cell division in root meristematic cells are largely unknown.
根的生长主要取决于根尖区的细胞分裂和伸长，而调控根尖分生组织细胞分裂的成分很大程度上是未知的。
Heald has long been interested in what regulates the size of a cell's internal structures - in particular, the nucleus and the spindles that pull chromosomes apart during cell division.
Heald长期以来对细胞内部结构的尺寸调控有着浓厚兴趣，尤其是对细胞核和在细胞分裂时牵拉染色体的纺锤体。
It was demonstrated that the cell cycle indexes were decreased as long as the concentrations of SNP were increased after collecting the cell division phase of the primary root-tip cells;
对SNP处理的水稻初生根根尖细胞进行细胞分裂相统计，结果表明：随SNP浓度的增大，细胞分裂指数呈下降趋势；
Cells have two copies of nearly every chromosome (one each from the mother and father) and they must duplicate these during cell division so that the subsequent cells will also have two each.
每条染色体细胞都含有两个拷贝(一个来自母方，一个来自父方)，当细胞分裂时，这些染色体就要复制，因此子代细胞仍有两个拷贝。
In addition, both monomeric and dimeric CPAP are required for accurate cell division, suggesting that the temporal dynamics of CPAP homodimerization is tightly regulated during the cell cycle.
另外，无论是单体还是二聚体的CPAP对于细胞分裂的精确调控都是必需的，说明CPAP同源二聚的时间动态性在细胞周期中被严格调控。
The centrosome, the major microtubule organizing center regulates cell division through forming bipolar mitotic spindles and plays an essential role in the maintenance of chromosomal stability.
中心体作为细胞的主要微管组织中心，在细胞周期过程中建立两极纺锤体，调节细胞有丝分裂，从而对维持染色体的稳定起着重要的作用。
Cell Cycle Progression through the cell division cycle and transitions between various phases are regulated by using CDC25 phosphatases to activate specific cyclin-dependent kinase(CDK) complexes.
细胞分裂周期运行和不同时相的转换通过CDC25磷酸酶去磷酸化和激活周期蛋白依赖性激酶（CDK）复合物来调控。
A linear relationship between the weighted mean absolute growth rate of individual tubers and their cell Numbers suggested that tuber growth was largely controled by the cell division of the tuber.
块茎绝对生长率的加权平均与块茎细胞数量的直线相关证明了块茎的生长在很大程度上受细胞分裂控制。
A linear relationship between the weighted mean absolute growth rate of individual tubers and their cell Numbers suggested that tuber growth was largely controled by the cell division of the tuber.
块茎绝对生长率的加权平均与块茎细胞数量的直线相关证明了块茎的生长在很大程度上受细胞分裂控制。
应用推荐