脱氧核糖核酸分子是由许多更小的分子组成的。
DNA（脱氧核糖核酸）链通过后代得到复制。
Strands of DNA are reproduced through succeeding generations.
中国海关开始对所有入境点的入境人员进行核酸检测。
Chinese customs began NAT on inbound arrivals at all points of entry.
该病毒是一种单链核糖核酸（RNA）病毒，属于沙粒病毒科。
The virus is a single-stranded RNA virus belonging to the virus family Arenaviridae.
利用胰酶-乙二胺四乙酸、核酸酶处理猪心瓣膜制备脱细胞支架。
Decellularized porcine heart valves were prepared by using Trypsin-ethylenediamine tetraacetic acid and DNase.
用脱氧核糖核酸末端转移酶介导的缺口末端标记技术（TUNEL）检测细胞凋亡。
Terminal deoxynucleotidyl transferase-mediated nick end labeling (TUNEL) technique were applied to deterimine the apoptotic cells.
这会比核酸外切酶测序法快得多。
这一信息决定某段核糖核酸(RNA)是否被剪断。
That information determined whether or not a string of RNA was snipped.
早期研究发现小分子核糖核酸还可以促进干细胞的产生。
Early studies suggest that microRNAs can also boost the production of stem cells in culture.
取代RNA核糖的物质叫做“TNA”（苏糖核酸），带有苏糖。
One called TNA replaces RNA’s ribose sugar with a sugar called threose.
通常附着在核酸酶上的锌指，称作ZFNs，它负责切断dna的两条链。
Zinc fingers are usually attached to enzymes called nucleases, dubbed ZFNs, which cut both strands of DNA.
重组酶与核酸酶不同，它剪断基因的双链，然后在断点的周围等候。
Unlike nucleases, recombinases cut a double-stranded piece of DNA and then wait around on the exposed ends.
他们设计将核酸酶导入到控制植物对特定除草剂敏感的烟草基因中。
They designed nucleases to home in on a tobacco gene that controls the plant's susceptibility to certain herbicides.
生命起源研究的许多团体都集中在核糖核酸，它相信已先于活细胞。
Many groups studying the origins of life have focused on RNA, which is believed to have pre-dated living cells.
其他研究显示，核糖核酸基因调控中起着其他细胞的功能和重要作用。
Other studies revealed that RNA plays a major role in gene regulation and other cellular functions.
DNA（脱氧核糖核酸）的分子是一种双螺旋结构，酷似一架沿纵向扭曲的梯子。
The DNA molecule is a double helix, resembling a ladder that's been twisted along its length.
目前，生物学常用的有二十余种，而化学家可以制造出上千种其他核酸。
At the moment only 20 are used routinely in biology, but chemists can make thousands of others.
简言之，脱氧核糖核酸产生了信使核糖核酸，信使核糖核酸又产生了蛋白质。
In short, DNA makes messenger RNA, and messenger RNA makes proteins.
对分离的基因来说，它可被定义成一组需要用来产生蛋白质的脱氧核糖核酸序列，即外子。
Given the occurrence of split genes, it might be re-defined as the set of DNA sequences (exons) that are required to produce a single polypeptide.
他们在使烟草细胞接触锌指核酸酶之外，也添加了可增强抗除草剂特性的基因片段。
When they exposed tobacco cells to the zinc finger nucleases, they also added a version of that gene that enhances herbicide resistance.
蛋白质所包含那些“非生物”核酸可能包含一些新特性，其中某些特性可能颇为有用。
Proteins containing those "non-biological" amino acids would have novel properties, and some of those properties might be useful.
这样一来，细胞内部发生的使得核酶加速核酸复制速率的任何变化，都会在进化群体中快速扩散。
Thus, any random changes in the interior, fledgling ribozymes that could speed up nucleic acid replication rates will spread rapidly through an evolving population.
所有三个基码同特定的氨基酸相吻合，而基码在核酸中的顺序，同氨基酸在蛋白质中的顺序一致。
All but three of the codons correspond to particular amino acids, and the order of the codons in the nucleic acid corresponds to the order of the amino acids in the protein.
核糖核酸干扰(RNAi)会攻击恶性组织细胞里的专门基因，让其丧失功能并且最终将其杀死。
RNAi (Ribonucleic acid interference) is a technique that attacks specific genes in malign cells, disabling functions inside and killing them.
使用丙肝病毒重组免疫印迹分析技术和丙肝病毒核糖核酸检测对丙肝病毒感染进行确诊。
HCV recombinant immunoblot assay (RIBA) and HCV RNA testing are used to confirm the diagnosis of HCV infection.
使用丙肝病毒重组免疫印迹分析技术和丙肝病毒核糖核酸检测对丙肝病毒感染进行确诊。
HCV recombinant immunoblot assay (RIBA) and HCV RNA testing are used to confirm the diagnosis of HCV infection.
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