The lengths of the double stranded cDNA fragments were about 500 base pairs.
其双链链长，经凝胶电泳分析，约为500碱基对。
This specificity probably resided in the sequence of base pairs along the molecules.
这种专一性可能寄寓在分子的碱基对顺序之中。
This specificity probably resided in the sequence of base pairs along the molecules.
这种专一性可能寄寓在分子的堿基对顺序之中。
“We’ve got about 1019 base pairs to read before we’ve even scratched the surface, ” he says.
“我们有大约1019个碱基对需要分析，而我们甚至都没来得及弄懂一些皮毛，”他说。
The gene was composed of 246 base pairs and coded for a hybrid antigen of 75 amino acids.
全基因共由246个碱基对组成，编码一个75肽的复合抗原。
Many different types are now available, each cutting DNA at a different sequence of base pairs.
现在科学家们已经发现了许多种限制酶。它们在碱基对的不同序列中切断DNA。
The technology could go as far as developing a microscope that can show genetic base pairs in DNA.
应用该技术可以研制出能够显示dna基因组的新型显微镜。
Base pairs lie in parallel planes one above the other, giving the impression that they are 'stacked.
碱基对一个接一个地平放在平行的平面上，产生一种它们是‘堆放’在那里的印象。
Moreover, existing sequencing techniques involve breaking DNA into small chunks of less than 100 base pairs.
而且现有的测序技术要把DNA破碎成少于100个碱基对的小片段。
But in those experiments, the base pairs moved too quickly through the openings for the code to be read accurately.
不过，在这些实验中，碱基对通过开口时移动太快，难以准确的读取代码。
This is where the computing comes in. Computers allow individual genomes-all 3 billion base pairs of them-to be compared.
这时需要引入计算机，对个人基因组序列中的30亿组碱基对进行比较。
Accordingly, endosymbionts had never really dipped below a genomic sequence length of 500,000 to 600,000 base pairs.
因此内共生体中一个基因片段的长度应该不会少于500,000到600,000碱基对。
At roughly 2.2 billion base pairs, the platypus genome is about two-thirds the size of the human genome, the researchers found.
研究人员发现，鸭嘴兽有大约22亿个碱基对，是人类碱基对数量的三分之二。
Most researchers have focused on single changes in DNA base pairs (at and CG) that cause fatal diseases, such as cystic fibrosis.
大多数研究人员都集中在DNA碱基对(AT和CG)的单一变化引起的致命的疾病，如囊性纤维化。
Searching for the text string "AGAGCTAGCTAGCT" shows the dozens of places that sequence of base pairs shows up in the human genome.
搜索的文本字符串“AGAGCTAGCTAGCT”显示地方的几十个碱基对的序列显示在人类基因组。
All of these regions contain genetic stutters called short tandem repeats, in which a pattern of base pairs repeats itself over and over.
所有位点都包含称为短串联重复序列的遗传结点，在结点里一个碱基对模式一遍遍重复出现。
As the bead moves toward the magnet, the DNA strand passes through nano-sized opening slowly enough that its base pairs can be read.
当铁珠被吸向磁铁，DNA链便会缓慢的通过纳米大小的开口，其碱基便可被读取。
The genetic profile - or "genome" - of an organism is determined by recording the full sequence of acid base pairs that make up its DNA.
遗传模式，或者说“基因”，记录于酸碱对序列构成的DNA中，确定着一个生物个体。
And some parts, particularly those where the same short pattern of base pairs is repeated over and over again, remain difficult to sequence well.
另外有些基因，特别是由许多相同的碱基对短片段不断重复而所组成的基因，是很难很好地测序的。
Besides the low error rate, Dr Kedes requires that the sequence be complete-meaning that it includes at least 98% of the genome's base pairs.
除了低错误率，Kedes博士还要求排序的完整性——就是说要包括至少98%的基因碱基对。
The idea is that individual base pairs (the four chemical "letters" of the DNA alphabet) can then be read off one at a time as they pass through the nanopore.
这个想法是单个的碱基对(DNA密码的四个化学字母)在他们通过纳米孔的时候，能流利地被一个一个读出(那四个字母是指a、T、C、G，译者注)。
It promises to be an invaluable resource for scientists trying to figure out how a text of base pairs constructs the most complicated machine in the known universe.
科学家们一直试图弄明白一大堆碱基对是如何构造出人脑这个在已知的宇宙中最复杂的机器的。这个图将为此提供宝贵的资源。
The random amplified polymorphic DNA(RAPD) of 88 individuals from 8 Chinese indigenous sheep breeds was studied using 10 arbitrary primers with 10 base pairs.
利用10种10碱基的随机引物，分析了我国8个地方绵羊品种计88只绵羊的随机扩增多态DNA。
The full genome has 6 billion base pairs (3 billion from each parent, though many are duplicates), which means even the prize winner will be allowed 6, 000 mistakes.
人类全部基因序列由60亿对碱基对组成（来自父亲和母亲各30亿对，有许多对是完全相同的），这意味着即便是获奖队伍，都可能有6000处测序错误。
Average telomere length in exclusively breastfed children was between 350 and 450 DNA base pairs - or approximately 5 percent - longer than in the other children.
纯母乳喂养的儿童的平均端粒长度在350 - 450个DNA碱基对之间，大约比其他儿童的端粒长5%。
Falush and his colleagues analyzed 32 DNA segments, each consisting of more than 300,000 base pairs, from 927 people representing 53 different populations from around the globe.
法鲁西和他的同事分析了来自全球53个不同人群的927人的32个DNA碎片，每个DNA都包含300,000个配对。
Instead an enzyme, called an exonuclease, is attached to the top of the AHL. It cleaves individual base pairs from the DNA strand and feeds them through the pore to be detected one at a time.
取而代之一种叫做“核酸外切酶”的酶类被附着在AHL的顶部，它从DNA链上劈开各个碱基对，然后把它们填进孔道内，以供一个一个地识别。
Instead an enzyme, called an exonuclease, is attached to the top of the AHL. It cleaves individual base pairs from the DNA strand and feeds them through the pore to be detected one at a time.
取而代之一种叫做“核酸外切酶”的酶类被附着在AHL的顶部，它从DNA链上劈开各个碱基对，然后把它们填进孔道内，以供一个一个地识别。
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