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- Title: The study on mechanism of acrolein reaction with DNA base by AM1. 关键词:丙烯醛;反应机理;交联;双区理论;AM1
- The compound alkylates certain DNA bases, leading to mutagenesis. 这种化合物通过烷基化特定的DNA碱基而导致突变发生。
- It can greatly promote carcinogenesis.DNA diluted alkali firer proves N-nitroso compounds induce the crosslinking between complementary DNA base pairs and initiate cell cancerization. DNA城稀释过滤法证明,N-亚硝基化合物含氮杂环化借诱发DNA互补碱对之间的交联而启动细胞的癌变。
- 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。
- BACKGROUND & OBJECTIVE: Adenosine diphosphate ribosyltransferase (ADPRT) and X-ray repair cross-complementing 1 (XRCC1) are 2major DNA base excision repair (BER) proteins and act interactively instimulating and executing BER processes. 背景与目的:DNA修复缺陷是肿瘤的遗传易感因素。 二磷酸腺苷核糖转移酶(adenosinediphosphateribosyltransferase,ADPRT)和X线修复交叉互补蛋白1(X-rayrepaircross-complementing1,XRCC1)是碱基切除修复的重要成分。
- Sonoki S, Hisamatsu S, Kiuchi A. High-performance liquid clromatographic determination of DNA base composition with fluorescence detection[ J]. Nucleic Acids Research 1993,21 (11 ) :2776. 许化溪;王胜军;黄锡全;等.;高效液相色谱法与荧光法测定细菌染色体碱基组成的比较[J]
- That DNA bases attract is not a surprise,because base pairs are complementary like right-and left-handed gloves: adenine binds with thymine, cytosine with guanine. DNA碱基对有吸引力并不令人吃惊,因为碱基对就像左和右手套一样是互补的:腺嘌呤约束胸腺嘧啶,胞嘧啶约束应鸟嘌呤。
- Mercury highly covalently coordinates to endocyclic and exocyclic N sites of DNA bases. 以上实验数据表明甲基汞与DNA的结合能力较其他形态的汞强。
- The base-sequence code is transcribed by matching these DNA bases with RNA subunits, forming a long RNA polymer chain. 遗传密码根据DNA碱基与RNA碱基的配对原则而被转录,形成了一条长长的RNA聚合链。
- The three modified DNA bases can be analyzed by CGC/MS, but their molecular biological consequences need further investigation. 上述三种DNA修饰碱基可通过CGC/MS分离鉴定 ,但这几种修饰碱基的分子生物学后果尚需进一步探讨
- Then, the binding of DTIC to DNA and DNA bases in the absence and presence of Au nanoparticles has been explored in this work by electrochemical study. 荧光光谱研究结果表明,阿斯匹林与双链DNA间存在较强的相互作用,与单链DNA的作用较弱。
- But if it isn’t, the DNA mismatch repair or MMR pathway targets damaged DNA bases and sets off the process of cell death via apoptosis. 但如果没有修复的话,DNA错配修复途径或MMR途径会找到损伤的DNA碱基并且通过凋亡启动细胞死亡进程。
- One of its jobs is to pry apart the two strands of DNA (via helicase action) to allow the RNA polymerase to get access to the DNA bases. 它的其中一个工作,是探查两条分开的DNA链(通过螺旋运动方式),以使RNA聚合酶可以与DNA碱基相接触。
- Analysis of DNA base component of bacillus 芽孢杆菌的DNA碱基组分分析
- Furthermore, Bruder notes the genome analysis methods they used could find only relatively large changes, those that were roughly 150,000 DNA bases in size. 布鲁德尔指出,他们使用的基因组分析方法,只能找出相对较大的改变,大约15万个DNA碱基长。
- The runner was retired put out at first base. 跑垒者于第一垒上被刺杀出局。
- The runner went to second base on a wild pitch. 一记瞎设让跑垒员跑上了第二垒。
- You cannot enter a military base without a permit. 无通行证者不得擅入军事基地。
- Her heavy industry rests on a broad and firm base. 它的重工业有广泛坚实的基础。