It would have telomere DNA at the center, and it would have two centromeres.
它的中心部位将有端粒dna,而且会同时含有两个着丝粒。
The main function of telomerase is for the replication of telomere DNA, which is closely related with tumor and cell senescence.
端粒酶的主要功能是复制端粒末端dna,维持端粒长度。端粒酶活性调节与肿瘤发生和细胞衰老有着密切关系。
In cells division chromosome length is shorten for the ending DNA couldn't be replicated completely, and the loss of telomere DNA will lead to senescence and death.
细胞分裂中染色体因其末端的DNA不能完全复制而短缩,使细胞逐渐失去增殖能力,导致细胞衰老、死亡。
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。
Now a telomere is a highly repetitious and genetically meaningless sequence of DNA, what we were calling junk DNA.
端粒是高度重复的,从基因上来说没有意义的DNA序列,我们称之为垃圾 DNA。
Anyway, if we examine these ends of these coils of DNA, we will find a sequence of DNA at each end of every human Chromosome, called a telomere.
无论如何,如果我们检查这些螺旋状DNA的末端,我们会发现每条人类染色体的末端都有一个被称作“端粒”的 DNA序列。
They are made of two intertwined strands of DNA written in an alphabet comprising just four base codes, packed into chromosomes with telomere "caps" on their ends.
它们由两条缠绕的DNA链的四种碱基组成,这些碱基组装成染色体,在其末端具有端粒酶的帽子。
Several factors, such as defects in chromosome segregation and DNA damage response, failure of cell cycle checkpoint, telomere dysfunction, may cause chromosomal instability.
多种细胞机制功能障碍将导致染色体不稳定性,包括染色体分离、DNA损伤反应、细胞周期检查点、端粒功能等。
Telomeric proteins exert effect on the function of telomere, regulate the length of telomeric DNA and are involved in senescence and cancerization.
端粒相关蛋白直接影响端粒的功能,调节端粒DNA的长度,与细胞的衰老和癌变密切相关。
Telomeric binding proteins protect telomeric DNA while telomeric associated proteins have effect on telomere through interaction with telomeric binding proteins.
端粒结合蛋白直接保护端粒DNA,端粒相关蛋白通过与端粒结合蛋白的相互作用间接影响端粒的功能。
Some investigations on the ciliated protozoan have provided the insights into the mechanism of ribozymes, self-splicing RNA, telomere structure and function, DNA sequence reorganization and so on.
通过对它的研究,人们发现并且掌握了核酶的分子机制、RNA的自我拼接、端粒的结构和功能、DNA序列重组等机理。
Average telomere length in exclusively breastfed children was between 350 and 450 DNA base pairs - or approximately 5 percent - longer than in the other children.
纯母乳喂养的儿童的平均端粒长度在350 - 450个DNA碱基对之间,大约比其他儿童的端粒长5%。
Objective: The effect of DNA demethylation on aging process and telomere length was studied.
目的:研究DNA甲基化水平变化对细胞衰老进程和端区长度的影响。
An enzyme responsible for extending the parent strand of DNA at the telomere during replication so that telomeres can be fully replicated.
在复制过程中负责延伸端粒处DNA亲本链的酶,可使端粒复制完整。
Telomerase can extend the telomere of DNA and the activated telomerase can let cells gain the ability of unlimited reproduction.
端粒酶可延长染色体末端dna,端粒酶的活化使细胞获得无限增殖能力。
Another is the discovery of the enzyme telomerase, which keeps the telomere of our DNA healthy and operational, capable of giving human cells immortality.
另一个发现是控制端粒酶活性的酶。它们控制我们细胞的寿命。
Another is the discovery of the enzyme telomerase, which keeps the telomere of our DNA healthy and operational, capable of giving human cells immortality.
另一个发现是控制端粒酶活性的酶。它们控制我们细胞的寿命。
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