Except, in this case the researchers are looking for vulnerable nooks and crannies in a blob of RNA and protein, rather than a thermal exhaust port.
只不过,在这个例子中研究者们所寻找的是RNA和蛋白的隐蔽角落和裂缝而非热排气管。
Another nucleic acid, RNA, carries the information to a molecular machine called a ribosome, which reads the RNA and strings together amino acids to form the protein.
另一种被称之为rna的核酸负责将信息传递到名为核糖体的分子机器上,核糖体通过阅读RNA信息,并将氨基酸串联起来形成蛋白质。
Third, and massively important, if early life started as sketched above, a “Darwinian transition” to cells that use DNA, RNA and code for proteins via a genetic code must take place at some point.
重要的是,如果早期生命以如上所述的方式开始,细胞的使用DNA,RNA和蛋白质代码的“达尔文过渡”,必须在某个时候通过遗传密码发生。
The virus is a single-stranded RNA virus belonging to the virus family Arenaviridae.
该病毒是一种单链核糖核酸(RNA)病毒,属于沙粒病毒科。
Sat-RNA of CMV is a subviral agent, which depends on its helper virus to replicate and cell to cell diffuse.
CMV的 Sat-RNA是一种亚病毒剂,取决于其辅助病毒的复制和细胞间的扩散。
Once inside the cell, if the RNA computer finds tracers of a virus or cancer it could release the appropriate drugs to kill just that one cell.
RNA计算机一旦进入某一细胞内部,如果发现病毒或癌症的踪迹,它就可以释放相应药物来仅仅杀死这一个细胞。
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。
A primitive RNA might have catalysed the synthesis of phospholipids, but what advantage would phospholipids have conferred on primordial cells?
一种原始的RNA可能催化了磷脂的合成,但是磷脂又授予了原生细胞什么优势呢?
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。
Alternative splicing didn't help either: it could be argued that it represents a case of RNA making itself, then making a bunch of different proteins.
选择性拼接也不肯帮忙:它可以被看作另外一种例外——RNA还能自我复制,然后制造出一揽子形形色色的蛋白质。
Each probe binds to the RNA of a specific gene-the one that contains a complementary set of chemical units, or bases.
每一个探针与一种特定基因的RNA绑定——它含有了一整套化学物质和基质的集合。
RNA is a molecule similar to DNA, except that its molecules are usually much smaller.
RNA是一种类似于dna的分子,但是其分子量比dna小得多。
"We just tweak the RNA here and there, change a few atoms," Ricardo says.
“我们只不过扭绞rna链的一些部位,改变几个原子而已,”里卡多说。
Chief among them will be a full-on mirror ribosome-no easy task, since the ribosome is a mountain of a molecule, protein and RNA, dating from a time before LUCA.
其中最主要的工具将是完全的镜像核糖体——这个任务可不轻松,因为核糖体是分子、蛋白和RNA的集合体,其形成的时间甚至可以上溯到露卡时代之前。
Other studies revealed that RNA plays a major role in gene regulation and other cellular functions.
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。
Rathore used a new technique, called RNA interference, to construct a genetic sequence that blocked the gossypol-producing enzyme in the seeds only.
拉索尔教授运用了一项名为核糖核酸(RNA)干扰的新技术,仅在棉籽中建立了一个阻断棉子酚生长酶的基因序列。
Like DNA, RNA is a complex molecule made of repeating units of thousands of smaller molecules called nucleotides that link together in very specific, patterned ways.
像DNA一样,RNA也是由数千个被称为核苷酸的更小分子构成的,这些核苷酸之间以非常特定的模式连接在一起。
But RNA is a much more complicated molecule than a peptide.
但RNA是一个比一个更复杂的分子肽。
Scientists thought that most RNA in a cell was messenger RNA generated by protein-coding genes, RNA in ribosomes, or a sprinkling of other RNA elsewhere.
科学家们曾认为,细胞中的大多数RNA是由蛋白质编码基因产生的信使RNA,核糖体rna,或其它地方的少量rna。
Instead, the naked viral RNA may alter the function of the cells through a mechanism similar to RNA interference, in which the presence of certain RNA sequences can turn genes on and off.
相反,该病毒的裸rna可以通过一个类似rna干扰的机制,改变细胞功能,其中某些RNA序列可以打开和关闭基因。
That information determined whether or not a string of RNA was snipped.
这一信息决定某段核糖核酸(RNA)是否被剪断。
A completely different approach is to use RNA interference, a relatively new technique for switching off individual genes by delivering short stretches of RNA.
另一种完全不同的方法是RNA干扰。它采用相对较新技术通过转录小rna分子来关闭各别基因。
The Caltech RNA device operates much like a normal computer, in theory.
从理论上讲,加州理工学院的RNA设备像普通计算机一样运转。
A few RNA-based drugs designed to block AMD are in the early stages of development.
几种用于拦截amd的药物已处于研发初级阶段,它们都是基于RNA的。
RNA interference gives researchers a new tool for understanding how living things grow--how a plant assumes a particular shape, for example, or how a baby's hand forms during gestation.
核糖核酸的干扰作用为研究人员搞清生命生长提供了一个新工具——比如说,植物是如何展现其独特外形的,婴儿的小手在母体里是如何形成的,等等。
He has managed to synthesise all the RNA components in such a way that, when they are mixed with natural ribosome proteins, they form working ribosomes.
他成功合成了全部RNA成分,使得当他们与天然核糖体蛋白质混合时,他们组成活的核糖体。
Structurally, RNA is a single-stranded structure.
从结构来看,RNA是单链结构。
The analogy is not perfect. Unlike the neutron, RNA has been known about for a long time.
类比并不恰当,因为RNA和中子有所不同——我们早就知道它了。
In a modern cell, such as a bacterium, instructions from the DNA are transcribed into a related molecule called RNA.
在现代细胞,比如细菌中,DNA上的指令被转录到相关的叫做RNA的分子上。
In a modern cell, such as a bacterium, instructions from the DNA are transcribed into a related molecule called RNA.
在现代细胞,比如细菌中,DNA上的指令被转录到相关的叫做RNA的分子上。
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