base pair

1. Strictly, a base pair is a pair of complementary bases ( i.e. the A: T, G: C and A: U interactions) held together by hydrogen bonds.
   严格地说，碱基对是一对相互匹配的碱基（即A：T，G：C，A：U相互作用）被氢键连接起来。
2. The base pair ratio, AT: GC, is constant within a species but differs between species.
   GC之间的碱基比具有种内特异性，但在不同种之间往往是不同的。
3. Researchers have also advocated assessing health risks within ethnic groups based on inherited variations in just one DNA base pair.
   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。
4. 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.
   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。
5. Results VP4 gene is 2 362 base pair in length mutation was not found in whole VP4 gene sequence.
   结果VP4全基因2362bp未发现突变。
6. The advantages and weakness of typical algorithms including maximum base pair, minimum free energy, combination of helical regions, prediction of RNA secondary structure based on multiple sequences alignment, and etc.
   分析了碱基最大配对、极小化自由能、螺旋区组合和基于多序列比较的RNA二级结构预测等典型算法的优劣；
7. It is probably that the conjugated plane of gossypol is inserted into the base pair pleated sheet of the DNA double helical structure to associate with thymine through weak polar bond.
   这表示棉酚很可能以共轭平面平行地插入到DNA分子双螺旋结构的碱基片层之间，与其中的胸腺嘧啶碱基以弱相互作用的极性键形成复合物。
8. The results suggest that positive OPPs may be a kind of alkylating agent, mainly methylated the N-7 position of guanine and induced base pair substitution of formed adduct, and cross linkage to induce DNA recombination and mutation.
   推测阳性有机磷农药作为烷化剂，主要是使鸟嘌呤的N－7位甲基化，引起碱基置换；或形成加合物，造成交联，从而引发DNA重组修复而致突变。
9. A 1367 base pair of gpd promoter fragment was amplified from straw mushroom ( Volvariella valvace) genomic DNA by PCR method with the primers designed according to the gpd promoter sequence of Lentinus edodes.
   根据已报道的gpd启动子的序列设计合成了一对引物，以草菇菌丝的基因组DNA为模板，采用PCR扩增的方法克隆出一条长1367bp的DNA特异片段gpd-vv。
10. Thirty base pair ( 30 bp) deletion in latent membrane protein 1 oncogene in lymphoepithelial carcinoma of salivary glands
    涎腺淋巴上皮癌中EB病毒潜伏膜抗原-1基因30碱基缺失的研究
11. Ames test showed that both of the base pair transversion and frameshift mutant in DNA was not induced by irradiated starch.
    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。
12. It was demonstrated that the base pair stack within double helical DNA provides an effective medium for charge transfer.
    大量的研究表明，在DNA双螺旋结构中基对的堆积为电荷的转移提供了有效的通道。
13. But the 4 tRNA genes showed high mismatch rate. Their T ψ C-loops lack the relative conservative sequence of T-ψ-C-Pu-A, and the base pair numbers of each stem and the base number of each loop vary strikingly.
    4个tRNA基因的碱基错配率较高，TψC环缺乏相对保守的T-ψ-C-Pu-A序列，各臂的碱基配对数、各环碱基数目变化较大。
14. PstI cleaves its substrate through the single strand cleavage with two steps, and the minimum PstI substrate is an eight to twelve oligodeoxynucleotide containing ist recognition sequence, and there is a requirement to the base pair numbers on both sides of Pst ⅰ recognition sequence;
    PstI切割底物是按两步单股切割机制进行，作用的最小底物是含有识别序列的8～12聚脱氧核糖核苷酸，且对底物中识别序列两边的碱基对数目有一定要求；
15. Objective To investigate the association between a 27 base pair ( bp) variable number of tandem repeats ( VNTRs, 4a/ 4b) polymorphism in intron 4 of the eNOS gene and diabetic nephropathy in type 2 diabetes mellitus of northern Chinese.
    目的探讨内皮细胞型NO合成酶（eNOS）基因第4内含子一个27bp的可变数目串联重复序列多态性（VNTRs，4a/4b）与中国北方汉族人2型糖尿病（DM）合并肾病（DN）的相关性。
16. Objective To study the association of the polymorphism of the 377 base pair of muscle glycogen synthase gene ( GYS1) intron 14 with type 2 diabetes mellitus and complicated with hypertension in the middle-aged and elderly people of Tianjin.
    目的研究天津地区中老年人群中肌糖原合酶基因（GYS1）内含子14第377bp多态性与2型糖尿病（2型DM）及其合并高血压的关系。
17. AS-ODN refers to synthesized short-fragment nucleotide which hybridize with specific target sequence to inhibit gene expression according to base pair rules.
    反义寡核苷酸指合成的20个碱基左右的一小段核苷酸，按照碱基配对原则，与特定的靶序列杂交，从而抑制基因表达。
18. All of them have been characterized to represent DNA alterations by sequencing, including 8 point mutations ( 6 missence, 1 silent mutation and 1 in intron) and a 1 base pair insertion ( introducing a stop codon downstream).
    包括8个点突变（6个错义突变，1个静息突变和1个内含子突变）和1个碱基对插入突变（在下游产生终止信号）。
19. Four constituents of the sensitive topic management are found in our research, namely, turn, base pair, transaction and sensitive topic.
    通过研究，我们发现汉语电视访谈的敏感话题管理由四个部分组成，他们分别是：话轮、基础对、话段和敏感话题。
20. To explore the transverse electronic communication between the two bases in a multi-Cu-mediated mismatched base pair, we examined their electronic absorption spectra.
    为了探究多铜介导的错配碱基对中两个碱基间的横向电子通讯，我们检测了电子吸收光谱。
21. 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.
    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。
22. The proposed coding method and its extension can well separate the free base and base pair, and distinguish the different structures including pseudoknot.
    该方式能很好地区分自由基和基对，能区分含假结在内的不同结构类。
23. DPT in AT base pair is a stepwise and an asynchronous mechanism.
    对AT，其DPT反应遵循的是分步且异步的机理。
24. The result shows that ionization potential of GC base pair is obviously increased due to the combination of protonated arginine, while electron affinity is decreased.
    电离势和电子亲和势的计算结果表明，质子化精氨酸残基的结合导致G-C碱基对的电离势明显升高，而电子亲和势降低。
25. No mutations of base pair were found between the QRDR sequences of chicken and human Shigella boydii, which is consistent with the result of susceptibility test.
    发现鸡鲍氏和人鲍氏志贺菌的QRDR区的序列没有发生任何碱基的突变，这与药敏试验结果相吻合。

noun

1. one of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands