dna

美 [?di en ?e?] 　英 [?di? en ?e?]

• abbr.(=deoxyribonucleic acid)【生化】去[脫]氧核糖核酸
• n.脫氧核糖核酸（動(dòng)植物的細(xì)胞中帶有基因信息的化學(xué)物質(zhì)）
• 網(wǎng)絡(luò)去氧核糖核酸；遺傳物質(zhì)；去氧核醣核酸

英漢雙解

英漢解釋

abbr.

1. 【生化】(=deoxyribonucleic acid)去[脫]氧核糖核酸 2. (=deoxypentose-nucleic acid)去[脫]氧戊糖核酸

英英解釋

abbr.	1. [Biochemistry](=deoxyribonucleic acid) 2. (=deoxypentose-nucleic acid)
n.	1. deoxyribonucleic acid: a chemical substance that contains genetic information and is found in all living cells and some viruses 2. the combination of features that make something what it is

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.

利用基因識(shí)別，我們可以將在犯罪現(xiàn)場(chǎng)采集到的DNA與已知嫌疑人作比，或者在數(shù)據(jù)庫(kù)中尋找其他與信息相符的資料。

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把歷史弄得很清楚，在過(guò)去的二十萬(wàn)年中，我們有共同的祖先，同一個(gè)人，線粒體Eve—你可能聽(tīng)說(shuō)過(guò)她—在非洲。

Some of these electrons travel through the DNA forest and are fed into a device that measures their spin polarization.

其中的一部分電子穿過(guò)DNA“森林”后，注入一個(gè)可以測(cè)量其自旋極化率的儀器中。

That is a part of their DNA and the hard truth, no matter how much women may hate or despise this fact.

這一部分是由他們DNA所決定，女人再怎樣厭惡或是輕視這個(gè)事實(shí)，都無(wú)法改變這個(gè)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.

到目前為止，這個(gè)計(jì)畫(huà)尚未發(fā)現(xiàn)兩個(gè)人科譜系之間確有交換遺傳物質(zhì)的任何跡象。

Criminals already have to be careful not to leave fingerprints or DNA that could incriminate them.

罪犯已經(jīng)不得不小心地使自己不留下指紋或者DNA，這些線索可以指認(rèn)他們。

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.

他們說(shuō)他們被這個(gè)錯(cuò)誤嚇壞了，其中一個(gè)人說(shuō)一旦她的孩子出生了他將考慮通過(guò)DNA測(cè)試以便確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.

這些環(huán)狀DNA分子叫做信號(hào)結(jié)合T細(xì)胞受體刪除DNA環(huán)，其數(shù)量隨著年齡的增長(zhǎng)按固定比率減少。

As you can see , the body is being carefully exhumed for transportation to a facility where DNA can confirm the identity .

你可以看到我們身后，尸體正在被小心地挖掘出來(lái)，將要被送去醫(yī)療機(jī)構(gòu)進(jìn)行DNA鑒定以確定身份。

And it doesn't seem to me that there is grass-roots, broad support for the behavior of diplomats, say, stealing [inaudible] DNA.

而且這不會(huì)在我看來(lái)，有基層，廣泛支持的外交官的行為，例如偷竊[無(wú)聲]的DNA。

If one does not know how to modify DNA as a biological set of knowledge, one can only ascend so far.

如果一個(gè)人并不知道作為一系列生物知識(shí)如何來(lái)調(diào)整DNA，他將只能提升到這么遠(yuǎn)。

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. "

一兩周前有一個(gè)朋友問(wèn)我是否檢測(cè)了自己的基因，我告訴他沒(méi)有，但我也說(shuō)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的普遍采用的另一個(gè)結(jié)果是放射性同位素不再用于基于DNA的法庭調(diào)查。

The fact remains that, beyond the cachet of his DNA, Kim Jong-un has no military or political heft.

但是，除去他的優(yōu)良基因不談，金正恩其實(shí)是沒(méi)有任何軍事上或者政治上的影響力的。

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.

但是非常令我驚訝，而且讓我大失所望，后來(lái)我發(fā)現(xiàn)相似的基因組同樣是人體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的發(fā)夾載NA和蘇能夠雜交，以DNA探針條件下，在未修改的發(fā)夾沒(méi)有。

The scientists were trying to improve on a new species-identification technique, called DNA barcoding.

科學(xué)家正在發(fā)展一種新型的物種鑒別技術(shù)，即DNA條形碼技術(shù)。

BLOOD left at a crime scene could be used to estimate the age of a perpetrator, thanks to a new DNA test.

感謝全新的DNA檢測(cè)技術(shù)，遺留在犯罪現(xiàn)場(chǎng)的血液可以用于判斷罪犯年齡。

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.

如果我們結(jié)束不再要其他孩子，我們將細(xì)心培養(yǎng)她參與一些超越我們三人的項(xiàng)目，但是我們應(yīng)該分享DNA去這么做嗎？

A major theme of genomics is comparing DNA sequences and trying to align the common parts of two sequences.

基因?qū)W的一個(gè)主要主題就是比較DNA序列并嘗試找出兩個(gè)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.

圖1.3列出了引出一段外源DNA進(jìn)入克隆載體的大概步驟。

In DNA, four different bases are found. Two of these, adenine and guanine, are double-ring structures called purines.

在DNA中，有四種不同的基，其中的兩個(gè)為腺嘌呤和鳥(niǎo)嘌呤，即稱為嘌呤的雙環(huán)結(jié)構(gòu)。

It is capable of being integrated into the continuity of the host cell DNA as provirus.

它能作為原病毒入寄主DNA細(xì)胞的連續(xù)整體中去。

Rate of reassociation of DNA fragments is a second-order reaction.

DNA片段再結(jié)合的速度是一個(gè)次級(jí)反應(yīng)。

Ribose and deoxyribose are constituents of the nucleic acids RNA and DNA.

核糖與脫氧核糖分別是核糖核酸與脫氧核酸（DNA）的結(jié)構(gòu)成分。

The DNA molecule is compounded from many smaller molecules.

脫氧核糖核酸分子是由許多更小的分子組成的。

Like mRNA, both tRNA and rRNA are transcripts of chromosomal DNA.

tRNA及rRNA同mRNA一樣，都是染色體DNA的轉(zhuǎn)錄產(chǎn)物。

That cannot escape discussion in a minihistory of DNA.

這在DNA的研究史上是有口皆碑的。

Nothing has the capacity to replicate itself except DNA.

除DNA外，什么東西也沒(méi)有自我復(fù)制的能力。

The aqueous phase is precipitated with 2 volumes of alcohol, and the DNA wound out from it.

水相用兩倍的乙醇沉淀就可以從中透出DNA。

DNA carries the genetic blueprint which tells any organism how to build itself.

脫氧核糖核酸帶有決定有機(jī)體形成方式的遺傳型板。

The mutant DNA miscoded a single amino acid.

突變體脫氧核糖核酸誤編了一個(gè)氨基酸密碼。

By mapping stretches of Neanderthal DNA to its human equivalent, the researchers were able to complete bits of the jigsaw.

通過(guò)繪制與人類相同的尼安德特人DNA圖譜，他們便能夠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這一構(gòu)建單元可以實(shí)現(xiàn)自組裝，可以一個(gè)單元一個(gè)單元地構(gòu)建成由研究員設(shè)計(jì)的結(jié)構(gòu)。

And I said, "Well, you know, it wouldn't hurt to have his DNA frozen. " And that's what we did.

我說(shuō)：“你知道，把它的DNA冷凍保藏不會(huì)有所傷害。”那正是我們我們所做的。

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，線粒體基因的關(guān)系模式不同于核DNA的關(guān)系模式。

Judge Sweet said the patent office thinks DNA should be treated like any other chemical compound.

斯威特法官稱專利辦公室認(rèn)為DNA應(yīng)該與其他化合物同等對(duì)待。

When the DNA was methylated the chromosome was able to be successfully transplanted into a wild type species of M. capricolum.

當(dāng)DNA甲基化后，染色體能夠順利植入野生型的絲狀支原體。

Variation in mtDNA is often assumed to conform to a constant mutation rate equilibrium neutral model.

線粒體DNA進(jìn)化通常被認(rèn)為遵循一種穩(wěn)定的突變速率平衡中性模型，但有證據(jù)表明該假設(shè)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.

賽車(chē)就在公司的DNA中，從其運(yùn)作的每一部份你都可以看到賽車(chē)的精神。

Eukaryotic genomes are packaged into a nucleoprotein complex known as chromatin, which affects most processes that occur on DNA.

真核基因組被包裝到叫做染色質(zhì)的一個(gè)核蛋白復(fù)合體中，它影響了發(fā)生在DNA上的大部分過(guò)程。

However, its structure may be similar to that of another class of enzymes called DNA-dependent kinases.

但是，它的結(jié)構(gòu)可能非常相似與叫做DNA依賴激酶的另一類別的酶。

For a time the Anu thrived inside of Mars, as it really was more resonant with their silica based DNA.

有一段時(shí)間，Anu人也生活在火星內(nèi)，因?yàn)?/c>它的確更與Anu人硅基的DNA相共鳴。

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.

當(dāng)它自我拷貝的時(shí)候，在每十億個(gè)鏈中有一個(gè)鏈，可能產(chǎn)生錯(cuò)誤。也就是說(shuō)實(shí)際上，DNA在進(jìn)化。

Install an electronic drawbridge designed to lower only after it has performed a biometric scan and made a full set of DNA comparisons.

安裝一座電子吊橋，只在完成生物測(cè)量掃描和全套DNA比對(duì)之后才會(huì)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，隨著DNA密碼逐漸揭示出來(lái)，他對(duì)上帝的信仰及對(duì)科學(xué)的懷疑也與日俱增。

The cell prepares for meiosis just as it does for mitosis. But as the DNA condenses, each chromosome finds its homologous counterpart.

細(xì)胞減數(shù)分裂的準(zhǔn)備同有絲分裂一樣。但是，隨著DNA的濃縮，每個(gè)染色體都會(huì)與其同源染色體配對(duì)。

In other words, DNA is an intelligent system, and the evolution of being is not planless , at least not planless at all.

也就是說(shuō)，DNA是一種智力系統(tǒng)，生物進(jìn)化不是漫無(wú)目的的，或者至少不全是漫無(wú)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.

“當(dāng)我們發(fā)現(xiàn)這是狼的DNA時(shí)，真的是非常的驚訝，一開(kāi)始我們甚至覺(jué)得可能是弄錯(cuò)了樣本”，斯滕塞斯博士說(shuō)。

But, mutagenic action is not the only mechanism of hereditary change, the epigenetic mechanism may also play an important role in it.

然而，致突變作用并不是遺傳改變的唯一機(jī)制，表觀遺傳基礎(chǔ)對(duì)此也具有重要作用。DNA甲基化成為外遺傳的基礎(chǔ)機(jī)制已經(jīng)倍受關(guān)注。

But to microbiologists, the intestinal bacteria are a marvel, a virtual organ of the body which just happens to have its own DNA.

但是對(duì)微生物學(xué)家而言，腸道菌群是一個(gè)奇跡，一個(gè)有著自己DNA的身體中的實(shí)際器官。

The key to producing good DNA separations is to understand the principles underlying the injection, separation and detection of each allele.

產(chǎn)生高質(zhì)量的DNA分離效果其關(guān)鍵是了解每個(gè)等位基因的注樣、分離以及檢測(cè)中，每個(gè)過(guò)程的原理。