染色体

The results showed that arginine esterase could not affect CHL cell growth and chromosome aberration at the above concentrations.

试验结果表明，精氨酸酯酶在上述浓度对CHL细胞的增殖没有抑制作用，对CHL细胞的染色体结构也没有影响。

This research toke the upland cotton cytoplasmic male-sterile line P30A etiolation seedling as the material. Reference rice, maize and other crops'mitochondrial DNA bacterial artificial chromosome library construction methods, and unifies cotton itself to include the gossipol, tannin easily to oxidize materials'particularity, established a high quality mitochondrial DNA's BAC library system.

本研究以陆地棉细胞质雄性不育系P30A的黄化苗为材料，参考水稻、玉米等主要农作物线粒体基因组细菌人工染色体文库的构建方法，并结合棉花本身含有棉酚、单宁等易氧化物质的特殊性，建立了一套构建高质量线粒体基因组BAC文库的体系。

Here we describe 55.8 million base pairs of highly accurate finished sequence representing 99.9% of the euchromatin portion of the chromosome.

作者描述了5.58千万碱基序列，涵盖了该染色体常染色质99.9％的精确序列。

The types of histone methyltransferases, the relationship between methylation of Lysine 9 of H3 and the formation of heterochromatin, gene regulation in euchromatin, and that with DNA methylation, were mainly introduced.

主要阐述了组蛋白甲基转移酶的类型，组蛋白H3中第9位赖氨酸甲基化与异染色质的形成、常染色体中基因表达的调控，以及与DNA甲基化之间的关系，说明了组蛋白甲基化与组蛋白乙酰化、磷酸化的相互关系，指出组蛋白甲基化对维持细胞各种状态的平衡起到极其重要的作用。

Each of these bundles is called a nucleosome, and many nucleosomes are bound together by the continuing strand of DNA, which forms a string of beads that further coils to form one of two kinds of chromatin, either euchromatin or heterochromatin.

所有细胞核的最显著的特点就是染色体，由DNA和组蛋白所组成的染色质构成，DNA绕行在由4个相似的组蛋白分子结合而形成的柱状的芯上，这一结构称为核小体，核小体之间由连续的DNA链连接，形成串珠样结构，进一步盘曲形成常染色质或异染色质。

Histone H3 methylated at Lys4, which defines euchromatin, was not only distributed across most of the chromosomal landscape but was also present at the centromere core, the site of kinetochore assembly.

标志着常染色质的组蛋白H3－K4甲基化不仅广泛分布在大部分的染色体区域，同时也存在于着丝点的中心位置。

When meeting with this kind of problems, first find out the dominant or recessive inheritance acoording to the pedigree; then further judge whether it is caused by euchromosome inheritance or sex -linkage inheritance.

遇到这类题目，应据系谱首先判断出遗传方式的显隐性，然后再进一步判断是属于常染色体遗传还是属于伴性遗传。

HCN4 is as wrong as all sorts of rhythm of the heart the relationship is close, familial sex Dou Xingxin has eaten the transmissibility rhythm of the heart such as delay show outside gene of wrong patient HCN4 child alkaline base be short of break or the change that bump changes mutation to bring about HCN4 passageway albumen, cause If extent to decrease, belong to euchromosome dominance heredity.

HCN4和各种心律失常关系密切，家族性窦性心动过缓等遗传性心律失常患者HCN4基因外显子碱基的缺失或颠换突变导致HCN4通道蛋白的改变，引起If幅度减少，属于常染色体显性遗传。

The reason is the complexity of abortion, if you already have 3 times spontaneous abortion, I suggest you work together with love for eugenic counseling, both chromosome examination.

流产的原因很复杂，如果你已经有3次自然流产，建议你与爱人一起作优生咨询，进行双方染色体的检查。

Eukaryotic genomes consist of a number of chromosomes whose DNA is associated with different kinds of proteins.

真核基因组包含许多染色体，而它的脱氧核糖核酸由不同种类蛋白组成的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐