DNA的例句（DNA在句子中的用法）

• The holoenzyme recognizes specific nucleotide sequences on the DNA duplex ( promoters ). 全酶还能识别DNA双链分子上的特定核苷酸序列 ( 起动基因 ).
• They act at least a temporary block to DNA synthesis in micro - organisms. 它们在微生物中至少对DNA合成起暂时性的阻止作用.
• This increased optical density caused by a disassociation or melting of the DNA is called hyperchromicity. 这种由于DNA离解或融解引起的光密度增加,称之为增色效应.
• Deoxyribose A pentose ( five - carbon ) sugar that is a component of the nucleotides that make up DNA. 脱氧核糖:组成DNA核苷的一种戊糖 ( 五个碳 ).
• The sugar in all the nucleotides of DNA is deoxyribose. 所有DNA的核苷酸中的糖均是脱氧核糖.
• Ribose and deoxyribose are constituents of the nucleic acids RNA and DNA. 核糖与脱氧核糖分别是核糖核酸与脱氧核酸(DNA)的结构成分.
• DNA tests should determine definitively whether the baby was the one Tunstall was carrying, Hart said. 哈特表示,DNA检测将最终证实婴儿是否是汤斯顿所怀的婴儿.
• The DNA base composition is 32.6 - 33.1 mol % guanine plus cytosine. DNA(脱氧核糖核酸)的G+C 摩尔百分含量为32.6—33.1.
• Results The altered DNA sequence of coagulase in 1 strain of S . aureus was found. 结果检测到1株金黄色葡萄球菌凝固酶基因序列有改变.
• DNA fingerprinting has proved the clincher in this investigation. 在这次调查中，DNA指纹鉴定起了决定性的作用。
• The DNA of chromatin must replicate before cell division. 染色质DNA在细胞分裂之前必须复制.
• Cate - chins may also prevent DNA damage caused by carcinogens. 儿茶酸还可能预防致癌物质引起的DNA损伤.
• It has linear double strand DNA, icosahedral - capsid and envelope. 其核酸结构为线状双股DNA, 衣壳为二十面体对称,有囊膜.
• AIM : To construct a new DNA biosensor of capillary. 目的: 构建一种新型毛细管的DNA生物传感器.
• DNA filamentous fungi could be provided by the modified with benzyl chloride. 本文采用改进的氯化苄法,得到的DNA质量好、产量高,可以直接用于后续的基因操作.
• After coculture with T cells 31.25 % - 75 % astrocyte CPE was diminished, and - 75 % cytomegalovirus DNA load was reduced. 共培养的T细胞能够减少31.25%～75%的细胞病变产生, 减少～75%的CMVDNA负荷量.
• Viral replication can be blocked by antiviral drugs that disrupt DNA. 通过抗病毒药物破坏DNA来抑制病毒的复制.
• Conclusion DNA aneuploidy, SPF and EGFR is associated with malignant degree of gliomas. 结论:DNA异倍体的发生 、 SPF值、EGFR阳性 率与胶质瘤恶性级别正相关.
• The DNA ploidy types and aneuploid was associated with prognosis. 倍体类型及异倍体的含量与其预后相关.
• Gene mutations are alterations in the DNA code. 基因突变是指DNA密码的改变.