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- negatively supercoiled DNA 负超螺旋DNA
- Topoisomerase 2 resolves hyperpositively supercoiled DNA before recombination forks and topoisomerase 3 resolves hypernegatively supercoiled DNA after recombination forks. 拓朴异构酶可以解开在重组叉之前高度正螺旋结构,拓朴异构酶3可以解开重组叉之后高度负螺旋结构。
- Firstly, when RNA polymerase is moving on a DNA template, transcription can result in negative supercoiling behind the polymerase, thus facilitating Z-DNA conformation at permissive regions. 形成Z-DNA的原因有很多:首先,转录过程中,移动的RNA聚合酶在模板DNA的5'端产生负超螺旋扭曲力,导致Z-DNA的形成;
- Keywords cambialistic SOD,chimeric protein,cinnamomin,cytotoxicity,refolding and unfolding,supercoiled DNA cleavage.; 辛纳毒蛋白;细胞毒性;杂合蛋白;解折叠与重折叠;两性SOD;超螺旋DNA切割活性。;
- positively supercoiled DNA 正超螺旋DNA
- hypernegatively supercoiled DNA 高度负超螺旋DNA
- supercoiled DNA 超卷曲DNA, 超螺旋化DNA
- double-stranded supercoiled DNA 超螺旋质粒DNA
- DNA fingerprinting can help the police to find the criminals. DNA指纹术有助於警察发现罪犯。
- She reacts negatively to everything I say. 她一味消极地反对我说的一切。
- The metaphor is nearly always used negatively. 这一词组几乎都是用在否定句中。
- The student responded negatively to the question. 这个学生对这个问题作出了否。
- The mutant DNA miscoded a single amino acid. 突变体脱氧核糖核酸误编了一个氨基酸密码。
- Electrons are negatively charged with electricity. 电子带负电荷。
- He responded negatively to the question. 他对这个问题作出了否定的回答。
- APN is negatively correlated with BMI and HOMA-IR. APN与HOMA-IR和BMI呈显著负相关。
- Mainland-related shares also traded negatively. 红筹股亦受沽压。
- The nucleic acid was dsDNA and existed as supercoiled circular, relaxed circular and linear molecules.G+C of viral DNA was 45%. 病毒核酸为双链DNA,存在超螺旋型、环型和线型三种形态,G+C的含量为45%25。
- The RI was negatively correlated to GFR. RI与肾小球滤过率(GFR)显著负相关。
- MPV negatively correlated with PLT (P<0.001). PLT与MPV呈负相关(P<0.;001)。