rna
美 [ɑr en ˈeɪ]英 [ˌɑːr en ˈeɪ]
- abbr.(=ribonucleic acid)【生化】核糖核酸
- n.核糖核酸
- 网络核醣核酸；核糖核苷酸；脱氧核糖核酸
rnarna
核糖核酸
核糖核酸外切酶是核糖核酸（RNA）的外切酶，是一种能降解RNA，并在5'端或3'端的核苷酸移除的酶。能移除5'端核苷酸的这 …
核醣核酸
致病原（Infectious agent） A 型肝炎病毒─27nm 大小，无 外衣的核醣核酸（RNA）病毒。 传染方式 粪口途径的传染。
核糖核苷酸
核糖核苷酸(rna)： 腺嘌呤核糖核苷酸（a）、鸟嘌呤核糖核苷酸（g）、胞嘧啶核糖核苷酸（c)、尿嘧啶核糖核苷酸（u） 脱氧 …
脱氧核糖核酸
（1） 脱氧核糖核酸（RNA）和核糖核酸（DNA）均是由核酸构成的，RNA无须蛋白质作为催化剂就可进行某些化学反应，而D…
病毒核糖核酸
艾滋病毒核糖核酸（RNA）的变化范围较大，取决于感染的阶段和宿主与病毒之间的相互反 应。在血清转化之后，病毒血症稳 …
遗传物质
含有遗传物质（RNA）的简单蛋白质个体藻类细胞生物成千专家、上万团队、数亿网友......秒杀你的疑惑，从问问开始！
单链核糖核酸
第六类是单链核糖核酸(RNA)以及一个脱氧核糖核酸作为媒介。（逆转录病毒） 此类病毒多具有反转录聚合脢。
1
Inoculate the tobacco leaf with TMV common strain, sampling in a week and withdraw the whole genome TMV-RNA, reverse it to cDNA.
用烟草花叶病毒普通株系接种烟草叶片，一周后采样提取全基因组TMV-RNA，反转录合成第一链cDNA。
2
therapy used to suppress HIV replication is often associated with a paradoxical increase in HCV RNA levels, as well as hepatotoxicity.
此外，抗逆转录病毒治疗用于抑制HIV复制通常与HCVRNA反常升高和肝中毒相关。
3
So far the main hurdle has been getting RNA into the target cells, but the eye's accessibility means this is not so much of a problem.
目前为止的主要难题是如何把RNA注入到目标细胞。眼睛的可研究性意味着这不再是个难题了。
4
The selectivity of inhibition is at least as good as that shown by a small interfering RNA targeted to a deletion polymorphism.
选择性的抑制，至少不如说表明了一个小干扰RNA针对一缺失多态性。
5
RNA hairpins that contained nA and sU were able to hybridize to DNA probes under conditions where the unmodified hairpins did not.
RNA的发夹载NA和苏能够杂交，以DNA探针条件下，在未修改的发夹没有。
6
Therefore, anticancer therapies that target RNAs seem to be one step closer to being a new class of anticancer drug.
因此，靶标RNA的抗癌治疗似乎让我们向寻找一类新的抗癌药物跨近了一步。
7
The protein seems to have been added later, which means the ribosome is "an RNA-based machine that evolved the ability to make proteins. "
Berg博士说，蛋白质似乎是后来加上去的。也就是说，核糖体是一个RNA为基础的工厂，进化出制造蛋白质的能力。
8
It is unknown how much translational control is exerted by miRNAs on a genome-wide scale.
在基因组水平，哪些转录是由微RNA调控的还不为人知。
9
Companies are trying to make drugs that consist of short sequences of double-stranded RNA, the chemical cousin of the DNA in genes.
制药公司试图研制由短的双链RNA组成的药物，相当于DNA基因的化学表亲。
10
To see which are active, RNA from cells under investigation is labelled with fluorescent dyes and is then poured over the array.
要观察那些被激活，就将那些经过荧光染色的RNA倒到微数组上。
11
Manipulated milk would not be able to replicate the expression levels of these microRNAs in a standard test.
人工牛奶不可能改变这些小分子RNA的表达水平，而这可以通过标准测试来检测。
12
So Ibis began to explore the possibility of using mass spectrometry to determine when a small molecule binds to RNA.
因此，爱必斯公司开始尝试应用质谱法，来确定小分子与RNA结合的可能性。
13
To assess gene expression in each small bit of tissue, researchers expose its RNA to a gene chip, or DNA microarray.
为了评价每小片组织中的基因的表达情况，研究人员将它的RNA暴露给一个基因芯片，或者DNA阵列。
14
They are constituted of a nucleic acid core (made of DNA or RNA) and a nucleic acid coat, or capsid , made of protein.
它们是构成核酸核心（DNA或RNA的组成）和核酸的外衣，或衣壳蛋白制成。
15
Eigen supposed a set of replicating RNA pairs of complements, each itself able to replicate as in the Orgel type experiments noted above.
艾根猜想一套成对复制的互补的RNA，其中每一个都能够像上文所述的欧高型的实验那样复制本身。
16
The platform allows researchers to identify, in a single experiment, every sequence within every strand of RNA to which proteins bind.
该平台可以让研究人员在一次实验中鉴定出每条RNA链的每一段序列所结合的蛋白。
17
He said his company tested its drug candidates against other RNA sequences, to make sure that any effect was really from RNA interference.
他说他们公司用该药物的备选药物攻击其他RNA序列，确认所有作用都是通过RNA干扰起效。
18
RNA, the single-stranded precursor to DNA, normally expands one nucleic base at a time, growing sequentially like a linked chain.
DNA的单链前体分子，一般一次延伸一个碱基，就像延长的锁链。
19
Thus, each of our cells appears to carry in its ribosomes "fossil" evidence of a primordial RNA world.
看来我们每一个细胞的核糖体都携带了原始RNA世界的「活化石」证据。
20
One of the two ribonuclease genes in a leaf-eating monkey has adapted to a role in the digestion of bacterial RNA.
这两个核糖核酸酶基因在食叶猴已经适应了作用消化细菌的RNA。
21
DNA makes up the genes, the master instructions of life, while RNA merely conveys those instructions to other parts of the cell.
脱氧核糖核酸（负责）制造基因——控制生命活动的重要指令，而核糖核酸只负责把这些指令传达给细胞的各部分。
22
This, in turn, can be used to identify particularly active genes, which issue protein-making instructions in the form of messenger RNA.
因此可以将探针用来检测那些被激活的基因，即那些以信使RNA形式发布蛋白合成指令的DNA。
23
Several surveillance pathways have been identified over the last few years that recognize specific types of mutations in RNAs.
在过去数年间科学家已经找到了数个监视机制，它们负责识别RNA的特定变异。
24
Objective: To set up a real-time fluorescent quantitative PCR assay for rapid detection of norovirus(NV) RNA in acute gastroenteritis.
目的：建立诺如病毒的荧光定量PCR检测方法，应用于急性胃肠炎的快速检测。
25
Blocking these genes using RNA molecules, known as RNA interference, could be a potential treatment for alcoholism, they say.
研究人员说，利用被称为RNA干扰疗法依靠RNA分子抑制这些基因片段可能称为潜在的治疗酗酒的良方。
26
But when he received his Nobel Prize in Physiology or Medicine back in 1993 for his discovery of RNA splicing, he wasn't nearly there yet.
但当因发现RNA断裂而获得1993年诺贝尔生理学或医院奖时，远非如此富有。
27
Plants have many enzymes capable of duplicating RNA, Ecker notes, as well as a system for transporting the chemical between cells.
他还补充说，植物有许多酵素能够复制RNA，也具备在细胞间传递化学物质的运输系统。
28
Ribosomes account for a large proportion of the total RNA of a cell.
一个细胞的核糖核酸总量有一大部分是核糖体。
29
It is just the complexity of binding mode between proteins and RNA that limited the study of the interaction between them.
由于蛋白质和RNA分子结合方式的复杂性，局限了蛋白质和RNA相互作用的研究。
30
In the early 1990s, researchers studying a species of worm discovered genes for a very short and very unusual piece of RNA.
在20世纪90年代初，研究人员在研究一种虫子的基因时发现了一种很短却又与众不同的核糖核酸。