碱基对

研究人员也主张，仅仅根据一个DNA碱基对的遗传变异，就可以评估不同种族的健康风险。

Researchers have also advocated assessing health risks within ethnic groups based on inherited variations in just one DNA base pair .

Ames试验也说明辐照淀粉不诱发DNA中碱基对的置换型和移码型突变。

Ames test showed that both of the base pair transversion and frameshift mutant in DNA was not induced by irradiated starch .

用扫描隧道显微镜观察DNA碱基对水平的内部结构

Intramolecular Structure of Native DNA Imaged at basepair-level by Scanning Tunneling Microscopy

研究了从植物中分离百万碱基对级大分子量核DNA的方法。

A method of isolating megabase DNA from plant tissue was studied .

BDNA分子中互补碱基对GC、AT水合作用的研究

A Study of the Hydration of Complementary Bases G-C , A-T in B-BNA Molecule

DNA分子互补碱基对氢键解裂前后相互作用变化的初步研究（续）

Primary Study on Interaction Change of Complementary Base Pairs in DNA during H Bond Breaking ( Continued )

B族维生素和核酸碱基对唾液乳杆菌生长和产胞外多糖的影响

The Effect of B Vitamins and Nucleic Acid Bases on the Growth and Exopolysaccharide Production of Two Lactobacillus Salivarius Strains

猪肝线粒体DNA的分子量为10.40×10~6道尔顿，有15.76千碱基对。

The molecular weight of pig mtDNA is 10.40 × 10 ~ 6 daltons , about 15.76 kilobase pairs .

差异显示的PCR产物条带绝大部分在150个碱基对到750个碱基对之间。

The length range of differential displayed PCR products mostly extended from 150 bases to 750 bases .

考虑到碱基对梯阶间的非紧邻相互作用，提出DNA宏观弯曲的经验预测规则。

Empirical rules , which take into account the non-neighbor interactions between the base-pair steps , have been presented to predict DNA curvature .

具有平面结构的芳香杂环DNA切割试剂可以插入到双螺旋DNA的碱基对之间，因此可以有效切割DNA。

Complexes with a planar aromatic heterocyclic structure can be inserted into the base pairs of DNA , thus were used as DNA cleaving reagents .

但这个百年头发样本的DNA已经分解成了数百万个片段，每个片段的长度平均为69个碱基对。

But the DNA of the century-old aboriginal hair sample had degraded into millions of fragments , each an average of69 base pairs in length .

DNA嵌插剂可通过平面芳香环系统插入DNA碱基对之间，造成DNA构象变化，影响其生理功能，达到抗肿瘤效果。

The intercalators influence the physiologic function through the insertion of planar aromatic rings between DNA base pairs , which results in a conformational change of DNA .

以上结果证实了万隆霉素以双插入模式插入到双链DNA分子的碱基对中，同时还存在一定的非特异性的静电作用。

These results proved that Wanlongmycin not only intercalates among the base pairs of the DNA double-helical structure , but also has nonspecific electrostatic interactions with DNA .

尿嘧啶&核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。DNA和RNA中的嘌呤碱，与胞核嘧啶成对。

Uracil & a pyrimidine found in RNA that base-pares with adenine . a purine base found in DNA and RNA ; pairs with cytosine .

DNA碱基对OS敏感，这些结构的过氧化能引起碱基修饰、DNA链断裂以及染色质交联。

DNA bases are susceptible to oxidative stress , and peroxidation of these structures can cause base modification , DNA strand breaks and chromatin cross linking .

最后，具有配对识别功能的DNA碱基对衍生物被设计和合成，有希望用于制备类DNA结构材料及纳米粒子组装。

Finally , DNA base pair derivatives which have the abilities of recognition for the subsequent work on preparing multi-functional nanoparticles and the DNA-like materials were designed and synthesized .

考虑碱基对梯阶之间的非紧邻相互作用，提出了预测BDNA局部弯曲的经验规则。

The empirical rules , which take into account the non neighbor interactions between the base pair steps , have been presented to predict the local bending of B DNA .

本文通过对BDNA分子中互补碱基对AT、GC水合作用的量子化学计算以及最优化处理求得了它们水合作用的最优配位模式。

The optimal co-ordination mode for the hydration of complementary bases G-C , A-T in B-DNA molecule has been derived by using quantum chemical calculations and empirical potential energy functions .

接下来，他们再把电子版还原到纸上，将0译成DNA碱基对中的A或C，将1译称G或T。

Next , on paper , they translated the zeros into either the A or C of the DNA base pairs , and changed the ones into either the G or T.

由溴化乙锭从小沟方向插入不同碱基对的结合能考察发现，溴化乙锭对DNA碱基对有特异性识别，并且与CA碱基对结合能最强。

Comparing the binding energy of EB with different base pairs , it was found that EB had special recognition among base pairs with the maximum binding energy with CA.

通过吸收峰位置的红移和减色效应，及DNA粘度的增大证明该配合物是以插入方式进入DNA的碱基对中。

The results , such as red shift of absorption peaks , increment in the viscosity of DNA , investigates the complex can insert into the inner of DNA bi - helix structure .

水痘-带状疱疹病毒（VZV）为DNA双链病毒，长度约为125000个碱基对。

The Varicella-Zoster virus ( VZV ) genome is a linear double stranded molecule and approximately 125 kb pairs in size .

在它的21条染色体中包涵茫茫160亿对dna碱基对，这一数字是水稻的40倍，玉米的6倍，人的5倍。

Its 21 chromosomes contain a massive 16 billion base pairs of DNA , 40 times as much as rice , six times as much as maize and five times as much as people .

乙型肝炎病毒（HBV）基因组为部分双链环状DNA病毒，属嗜肝DNA病毒科，其基因组约3200个碱基对（bp），分为结构基因和调节基因序列两部分。

Hepatitis B virus ( HBV ) genome is partial double strands and looped DNA virus , which have 3200 bps , consisting of two parts of structure and regulator gene ranks .

结果：apr基因片段含1092个碱基对。

Results : The gene fragment is 1092 bp .

目前为止的示例都假定DNA碱基对之间不匹配的扣分应该相等&例如，认为G变异为A与变异为C的可能性相当。

The examples so far have naively assumed that the penalty for a mismatch between DNA bases should be equal & for example , that a G is as likely to mutate into an A as a C.

分子量标准引物定位合成（MarkerPrimer-directedSynthesis，简称MPDS）乃一种DNA碱基对梯度片段的简易合成术。

Marker primer-directed synthesis ( MPDS ) is a technique that allows the easy synthesis of DNA base pair ( bp ) ladders .

形成DNA、RNA单体以及编码遗传信息的化学结构，也就是组成碱基对的碱基包括A、G、T、C、U。

The chemical structures that form the units of DNA and RNA and that encode genetic information i.e.the bases that make up the base-pairs are A , G , T , C and U ( see DNA ) .

钙调神经磷酸酶B亚基（PPP3R1）启动子区域新的5个碱基对缺失的识别及其与左心室肥厚的关系

Identification of a novel 5-base pair deletion in calcineurin B ( PPP3R1 ) promoter region and its association with left ventricular hypertrophy