dna
美 [ˌdi en ˈeɪ] 
英 [ˌdiː en ˈeɪ]
英汉双解
1. | 脱氧核糖核酸（动植物的细胞中带有基因信息的化学物质）deoxyribonucleic acid (the chemical in the cells of animals and plants that carries genetic information and is a type of nucleic acid ) |
英汉解释
abbr. | 1. 【生化】(=deoxyribonucleic acid)去[脱]氧核糖核酸 2. (=deoxypentose-nucleic acid)去[脱]氧戊糖核酸 |
英英解释
例句
Genetic profiling compares DNA at a crime scene with that of a known suspect or with other profiles in a database in search of a match.
利用基因识别，我们可以将在犯罪现场采集到的DNA与已知嫌疑人作比，或者在数据库中寻找其他与信息相符的资料。
Within the last 200, 000 years, we all share an ancestor, a single person, Mitochondrial Eve -- you might have heard about her -- in Africa.
DNA把历史弄得很清楚，在过去的二十万年中，我们有共同的祖先，同一个人，线粒体Eve—你可能听说过她—在非洲。
Some of these electrons travel through the DNA forest and are fed into a device that measures their spin polarization.
其中的一部分电子穿过DNA“森林”后，注入一个可以测量其自旋极化率的仪器中。
That is a part of their DNA and the hard truth, no matter how much women may hate or despise this fact.
这一部分是由他们DNA所决定，女人再怎样厌恶或是轻视这个事实，都无法改变这个硬道理。
So far the project has unearthed no sign of any genetic pattern that would suggest DNA transfer between the two hominid lineages.
到目前为止，这个计画尚未发现两个人科谱系之间确有交换遗传物质的任何迹象。
Criminals already have to be careful not to leave fingerprints or DNA that could incriminate them.
罪犯已经不得不小心地使自己不留下指纹或者DNA，这些线索可以指认他们。
They said they were horrified by the error, with one saying she would consider a DNA test once her baby was born to check if it was hers.
他们说他们被这个错误吓坏了，其中一个人说一旦她的孩子出生了他将考虑通过DNA测试以便确定孩子是不是自己的。
The number of these circular DNA molecules - known as signal joint TCR excision circles (sjTRECs) - declines at a constant rate with age.
这些环状DNA分子叫做信号结合T细胞受体删除DNA环，其数量随着年龄的增长按固定比率减少。
As you can see , the body is being carefully exhumed for transportation to a facility where DNA can confirm the identity .
你可以看到我们身后，尸体正在被小心地挖掘出来，将要被送去医疗机构进行DNA鉴定以确定身份。
And it doesn't seem to me that there is grass-roots, broad support for the behavior of diplomats, say, stealing [inaudible] DNA.
而且这不会在我看来，有基层，广泛支持的外交官的行为，例如偷窃[无声]的DNA。
If one does not know how to modify DNA as a biological set of knowledge, one can only ascend so far.
如果一个人并不知道作为一系列生物知识如何来调整DNA，他将只能提升到这么远。
A few weeks ago a friend asked me if I'd had my DNA scanned, and I told him I hadn't, but that I'd "love to find out what's in there. "
一两周前有一个朋友问我是否检测了自己的基因，我告诉他没有，但我也说自己“很想知道那里面有什么”。
Another result of the widespread adoption of PCR was that radioisotopes would no longer be used in DNA-based forensic investigation.
PCR的普遍采用的另一个结果是放射性同位素不再用于基于DNA的法庭调查。
The fact remains that, beyond the cachet of his DNA, Kim Jong-un has no military or political heft.
但是，除去他的优良基因不谈，金正恩其实是没有任何军事上或者政治上的影响力的。
But much to my surprise and against all of my plans, I later discovered that this same group of genes is also part of the human DNA.
但是非常令我惊讶，而且让我大失所望，后来我发现相似的基因组同样是人体DNA的一部分。
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。
The scientists were trying to improve on a new species-identification technique, called DNA barcoding.
科学家正在发展一种新型的物种鉴别技术，即DNA条形码技术。
BLOOD left at a crime scene could be used to estimate the age of a perpetrator, thanks to a new DNA test.
感谢全新的DNA检测技术，遗留在犯罪现场的血液可以用于判断罪犯年龄。
If we end up having no other children, we'll have to be mindful to raise her to be part of something bigger than just us three.
如果我们结束不再要其他孩子，我们将细心培养她参与一些超越我们三人的项目，但是我们应该分享DNA去这么做吗？
A major theme of genomics is comparing DNA sequences and trying to align the common parts of two sequences.
基因学的一个主要主题就是比较DNA序列并尝试找出两个序列的公共部分。
An outline of the procedure for introducing a piece of foreign DNA into a cloning vector is shown in Figure 1. 3.
图1.3列出了引出一段外源DNA进入克隆载体的大概步骤。
In DNA, four different bases are found. Two of these, adenine and guanine, are double-ring structures called purines.
在DNA中，有四种不同的基，其中的两个为腺嘌呤和鸟嘌呤，即称为嘌呤的双环结构。
It is capable of being integrated into the continuity of the host cell DNA as provirus.
它能作为原病毒入寄主DNA细胞的连续整体中去。
Rate of reassociation of DNA fragments is a second-order reaction.
DNA片段再结合的速度是一个次级反应。
Ribose and deoxyribose are constituents of the nucleic acids RNA and DNA.
核糖与脱氧核糖分别是核糖核酸与脱氧核酸（DNA）的结构成分。
The DNA molecule is compounded from many smaller molecules.
脱氧核糖核酸分子是由许多更小的分子组成的。
Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA.
tRNA及rRNA同mRNA一样，都是染色体DNA的转录产物。
That cannot escape discussion in a minihistory of DNA.
这在DNA的研究史上是有口皆碑的。
Nothing has the capacity to replicate itself except DNA.
除DNA外，什么东西也没有自我复制的能力。
The aqueous phase is precipitated with 2 volumes of alcohol, and the DNA wound out from it.
水相用两倍的乙醇沉淀就可以从中透出DNA。
DNA carries the genetic blueprint which tells any organism how to build itself.
脱氧核糖核酸带有决定有机体形成方式的遗传型板。
The mutant DNA miscoded a single amino acid.
突变体脱氧核糖核酸误编了一个氨基酸密码。
By mapping stretches of Neanderthal DNA to its human equivalent, the researchers were able to complete bits of the jigsaw.
通过绘制与人类相同的尼安德特人DNA图谱，他们便能够完成一定量的拼接工作。
The building blocks of DNA can be made to assemble themselves, piece by piece, into a structure designed by the researcher.
DNA这一构建单元可以实现自组装，可以一个单元一个单元地构建成由研究员设计的结构。
And I said, "Well, you know, it wouldn't hurt to have his DNA frozen. " And that's what we did.
我说：“你知道，把它的DNA冷冻保藏不会有所伤害。”那正是我们我们所做的。
However, her analysis showed that the pattern of relationships for the mitochondrial genes was different to that of the nuclear DNA.
然而，她的分析表明，线粒体基因的关系模式不同于核DNA的关系模式。
Judge Sweet said the patent office thinks DNA should be treated like any other chemical compound.
斯威特法官称专利办公室认为DNA应该与其他化合物同等对待。
When the DNA was methylated the chromosome was able to be successfully transplanted into a wild type species of M. capricolum.
当DNA甲基化后，染色体能够顺利植入野生型的丝状支原体。
Variation in mtDNA is often assumed to conform to a constant mutation rate equilibrium neutral model.
线粒体DNA进化通常被认为遵循一种稳定的突变速率平衡中性模型，但有证据表明该假设可能并不可靠。
Racing is in the company's DNA and you can see that racing spirit throughout every part of its operation.
赛车就在公司的DNA中，从其运作的每一部份你都可以看到赛车的精神。
Eukaryotic genomes are packaged into a nucleoprotein complex known as chromatin, which affects most processes that occur on DNA.
真核基因组被包装到叫做染色质的一个核蛋白复合体中，它影响了发生在DNA上的大部分过程。
However, its structure may be similar to that of another class of enzymes called DNA-dependent kinases.
但是，它的结构可能非常相似与叫做DNA依赖激酶的另一类别的酶。
For a time the Anu thrived inside of Mars, as it really was more resonant with their silica based DNA.
有一段时间，Anu人也生活在火星内，因为它的确更与Anu人硅基的DNA相共鸣。
As it copies itself, once in every billion rungs, there tends to be an error. And what that means is that DNA is, in effect, learning.
当它自我拷贝的时候，在每十亿个链中有一个链，可能产生错误。也就是说实际上，DNA在进化。
Install an electronic drawbridge designed to lower only after it has performed a biometric scan and made a full set of DNA comparisons.
安装一座电子吊桥，只在完成生物测量扫描和全套DNA比对之后才会放下。
He writes well about how, as the code on which DNA is written began to reveal itself, his faith and sense of wonder increased.
他坦言，随着DNA密码逐渐揭示出来，他对上帝的信仰及对科学的怀疑也与日俱增。
The cell prepares for meiosis just as it does for mitosis. But as the DNA condenses, each chromosome finds its homologous counterpart.
细胞减数分裂的准备同有丝分裂一样。但是，随着DNA的浓缩，每个染色体都会与其同源染色体配对。
In other words, DNA is an intelligent system, and the evolution of being is not planless , at least not planless at all.
也就是说，DNA是一种智力系统，生物进化不是漫无目的的，或者至少不全是漫无目的的；
"We were really surprised to see that it was wolf DNA, and first off we assumed we had something wrong, " Dr. Stenseth said.
“当我们发现这是狼的DNA时，真的是非常的惊讶，一开始我们甚至觉得可能是弄错了样本”，斯滕塞斯博士说。
But, mutagenic action is not the only mechanism of hereditary change, the epigenetic mechanism may also play an important role in it.
然而，致突变作用并不是遗传改变的唯一机制，表观遗传基础对此也具有重要作用。DNA甲基化成为外遗传的基础机制已经倍受关注。
But to microbiologists, the intestinal bacteria are a marvel, a virtual organ of the body which just happens to have its own DNA.
但是对微生物学家而言，肠道菌群是一个奇迹，一个有着自己DNA的身体中的实际器官。
The key to producing good DNA separations is to understand the principles underlying the injection, separation and detection of each allele.
产生高质量的DNA分离效果其关键是了解每个等位基因的注样、分离以及检测中，每个过程的原理。
