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。
The results showed that: (1) the auxocyte abortion of Jin a took place at the stage of sporogenous cell division.
结果表明，1晋a不育系雄性败育的主要时期是在造孢细胞增殖——小孢子母细胞形成时期。
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。
But since very little cell division happens in the heart, problem cells are much less likely to turn into a cancerous growth.
少量异常细胞没什么问题，只要它们处在免疫系统的控制之下就行。
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。
The gene orchestrates production of a protein that encourages cell division, making this group prone to especially persistent, fast-growing tumors.
这种基因会促使生成一种刺激细胞分裂的蛋白质，把细胞组织变成持续快速增长的肿瘤。Genentech发明了一种可以遏制这种蛋白质的新药——Herceptin。
Next, they gave a drug to induce cell division in the rats and examined their brains at intervals ranging from one to 28 days after the treatment.
其次，他们给予大鼠诱导分化的药物，在处理后1到28天间隔检测脑组织。
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。
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。
Two factors were established during numerous studies: estrogen receptor expression and proliferative activity, i. e. , the rate of tumor cell division.
经过很多的研究之后确立了两个因素：雌激素受体表达和增殖能力也就是肿瘤细胞分解的速率。
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。
But a balance must be struck: If the checkpoint mechanism slows cell division to a trickle, the resulting shortage of new cells will accelerate tissue aging.
但是平衡也受到巨大影响：如果监测点机制使细胞分裂减慢到如同细水长流，后者所引起的新细胞的短缺则可能会加速组织衰老。
ICOS is not expressed on the cell surface of circulating CD8 memory t cells but is rapidly upregulated during cell division within the allograft parenchyma.
在循环cd 8记忆T细胞的表明并没有ICOS的表达，但是其在移植物实质内细胞分化期间对其有正性调节作用。
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。
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。
Prior to cell division it replicates, and the sister centrioles move to opposite ends of the cell to lie within the spindle - organizing structure, the centrosome.
它在细胞分裂之前复制，其中一个中心粒移向细胞的另一端，组织纺锤体和中心体。
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。
The authors next examined the inheritance of T-cell-fate-associated molecules by the first two daughter cells following asymmetrical cell division of CD8 + t cells.
其后，作者通过对CD 8 +T细胞不对称细胞分裂后的第一代两个子代细胞研究，证明了与T细胞命运相关的分子遗传性。
The team used these much smaller probes with the PRIME method to effectively tag actin, a molecule involved in cell division, structure, motility, and communication.
研究组通过最初的方法使用更小的探针有效地标记肌动蛋白以及参与细胞分裂，结构，运动和信息传导的分子。
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。
The method recognized with 87% accuracy changes in the nuclear shape that were related to basic functions such as cell division, proliferation, survival and migration.
这种方法可以验证核形态（与细胞分裂、增殖、存活和迁移相关的基本功能）约87%的精度改变。
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。
Because MEL-28 remains attached to DNA during the entire process of cell division, the scientists believe it plays a crucial role early in the formation of the envelope.
由于MEL - 28蛋白在整个细胞分裂的过程中一直与DNA粘附在一起，科学见因此相信它在核膜形成的早期扮演了关键的角色。
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。
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。
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