That can happen but that's abnormal, but changes in maybe the chemistry of the backbone that holds the nucleotides together.
那可能发生的，但属于非正常的变化，但是可能主链的化学变化将核苷酸结合在一起。
Most genes average more than 1000 nucleotides.
大部分基因平均有超过1000个核苷酸。
Nucleotides can be synthesized in the body.
机体能够内源合成核苷酸。
Each color corresponds to one of four nucleotides.
每种颜色对应四种核苷酸中的一种。
S is the concentration of unpaired nucleotides.
是不配对的核苷酸的浓度。
A typical molecule of DNA contains up to three billion nucleotides.
一个DNA分子中包含了至少三十亿个核苷酸。
Those nucleotides hooked up into strands as more seeped inside.
随着内陷，这些核苷酸链扭绞成股。
Study on immunoreaction of one dose type from nucleotides acid.
研究了一种核苷酸制剂的免疫调节作用。
However, such ancestral polymers may not have involved nucleotides.
然而，这种祖先高分子材料也许不是核酸。
The sites are determined by highly specific sequences of nucleotides.
位置由核苷酸的特定顺序确定。
Suppose you are working with oligonucleotides 32 nucleotides in length.
假设你在用32核苷酸长度的寡核苷酸工作。
Reduced nicotinamide nucleotides can function as reductants to nitrogenase.
还原的烟酰胺核苷酸对固态酶可以起还原剂的作用。
Objective: To study the effects of exogenous nucleotides on immune function in mice.
目的：本实验研究了日粮核苷酸促进免疫抑制小鼠的免疫功能恢复的作用。
Strands of genetic material - DNA and RNA - are sequences of small units called nucleotides.
基因资料—dna和rna—链是称为核苷酸的小单元组成的序列。
A need for exogenous nucleotides may be expected when the body is growing rapidly or encounters immune challenge.
但机体在快速生长或受到免疫挑战时，需要外源添加核苷酸。
Each molecule of DNA can be subdivided into smaller segments consisting of a few thousand or a few tens of thousands of nucleotides.
每一个DNA分子都可以再被细分为更小的部分，这些细分后的部分都含有上千或上万个核苷酸。
This article's examples use DNA, which consists of two strands of adenine (A), cytosine (C), thymine (T), and guanine (G) nucleotides.
本文的示例使用DNA，DNA由腺嘌呤（A）、胞嘧啶（C）、胸腺嘧啶（T）和鸟嘌呤（G）组成的核苷酸双螺旋组成。
Other polysaccharides are formed from other sugar, which rose by enzymic transformations of phosphorylated hexoes and sugar nucleotides.
其它多聚糖则是由磷酸化己糖和核苷酸糖通过酶作用生成的其它糖聚合形成的。
Each triplet of nucleotides will correspond to a letter so that, say, ACT represents the letter a, AGT represents the letter b, and so on.
每个三联体的核苷酸对应一个字母，ACT代表字母a,AGT代表字母b等等。
Next, scientists look at tandem repeats, or the repeat of two or more nucleotides, in roughly 13 to 15 regions of a DNA sample called loci.
接下来，科学家对DNA样本中称为位点的13至15个区域的串联重复或两个以及多于两个核苷酸的重复进行观察。
Reading frame -- The translational reading frame describes the mechanism which moves a ribosome three nucleotides at a time during translation.
读取片段--一种机制，用于描述核糖体在转译的过程，一次移动三个核甘酸。
The researchers found that the rate at which nucleotides changed in tropical species was more than twice that found in species from temperate latitudes.
研究人员发现热带植物的核苷酸变化速率比温带地区植物中核苷酸的变化速率高出两倍多。
If the phospholipid proportion rises too high, it will prevent small nucleotides from getting inside, starving the genetic machinery of new materials.
如果膜中所含磷脂增长得过多，会阻碍小核苷酸进入内部，是遗传系统缺乏原料。
Temperature oscillations or chemical changes should cause complete double helices to come apart, each then rebuilding the whole as fresh nucleotides link on.
温度和化学变化会使双股链分解，然后各核苷酸再重新形成整体继续连接。
Temperature oscillations or chemical changes should cause complete double helices to come apart, each then rebuilding the whole as fresh nucleotides link on.
温度和化学变化会使双股链分解，然后各核苷酸再重新形成整体继续连接。
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