英语释义

• a nitrogen-containing base found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine

片语

Uracil compound啶系化合物

uracil riboside尿核苷

Uracil Nucleotides尿嘧啶核苷酸类

uracil test尿嘧啶试验

Uracil 1g尿嘧啶

methyl uracil甲基尿嘧啶

bromovinyl uracil抑制剂乙烯基尿嘧啶

halogenated uracil卤化脲嘧啶

uracil transphosphoribosylase尿嘧啶转磷酸核糖基酶

英汉例句

• diagram the steps executed in the uracil repair system that are unique to this repair system.

  阐述尿嘧啶修复系统修复的主要步骤，并列出这一修复系统所需要的酶。

• it stores information as a sequence of chemical building blocks (nucleotides) we call a, c, t, and g (for adenine, cytosine, thymine, and guanine in dna, and uracil replacing thymine in rna).

  它将信息存储为化学基本成分序列（核苷），我们将其称作a、c、t和g（表示dna中的腺嘌呤、胞嘧啶、胸腺嘧啶和鸟嘌呤，以及rna中的尿嘧啶代替胸腺嘧啶）。

• dpd is the first rate-limiting enzyme in the catabolism of uracil and thymine, and affects dna synthesis by decreasing the level of uracil and thymine, the necessary material for dna synthesis.

  dpd是尿嘧啶和胸腺嘧啶分解过程中的第一限速酶，可降低用于dna合成的尿嘧啶和胸腺嘧啶的水平而影响dna的合成。

• uracil a nitrogenous base that is found in rna but not in dna.

  存在于rna而非dna中的一种含氮堿基。

• in the end, the effects of methylation on the properties of uracil and adenine-uracil base pair have been investigated.

  最后，我们研究了甲基化对脲嘧啶单体以及腺嘌呤-脲嘧啶堿基对的影响情况。

• conclusion: uracil and fuzinoside may be the cardiotonic components of aconite roots.

  结论从附子水溶液部分分离得到尿嘧啶、附子苷是附子中强心成分。

• the structural and vibrational frequencies of uracil in hydrated form is discussed.

  对水合尿嘧啶分子中， 尿嘧啶分子的结构和振动频率的改变做了讨论。

• animal experiments demonstrated that uracil and uridine were capabie of lowering the elevated serum aldolase level of mice suffering from experimental myotonia.

  动物实验证明，尿嘧啶和尿嘧啶核苷对实验性肌强直癥小鼠血清醛缩酶有降低作用。

• structure resembles uracil with an attached bromine group.

  带有溴基团的结构与尿嘧啶相似。

• tlc scanning method for the detection and quality control of uracil is established.

  建立了尿嘧啶的薄层扫描测定方法。

• it contents with uracil in the same enzyme system, blocks the metabolic link, impedes the synthesis of dna, and then prohibits the propagation of the cancer cells.

  它的结构与肿瘤细胞代谢所必需的尿嘧啶相类似，在同一系统酶中互相竞争，阻断代谢环节，阻碍dna的合成，从而抑制肿瘤细胞的增殖。

• the most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) .

  最丰富的堿基是胞嘧啶， 胸腺嘧啶， 尿嘧啶，腺嘌呤和鸟嘌呤。

• the differences between the absorption of leucine and uracil by various parts of mid-gut of silkworm larva were studied, using trace method and culture in vitro technique. during in vitro .

  应用示蹤法和体外培养技术，研究了桑蚕幼虫中肠各部位对亮氨酸和尿嘧啶吸收作用的差异。

• normal raman and surface-enhanced raman scattering spectroscopy of uracil and 5-halide uracils have been obtained and compared.

  文中对尿嘧啶及其5位卤代衍生物的常规和表面增强拉曼光谱进行了观察和比较。

• in this paper, we have devoted our efforts to design and prepare acyclic nucleosides, 8-bromo adenosine derivatives and 5-iodo uracil derivatives.

  本文致力于微波辐射下无环核苷、8-溴腺苷衍生物和5-碘尿嘧啶衍生物的设计与绿色合成。

• a sample, quick, micro and accurate method for controlling the quality of uracil in transformation is presented.

  为转化液中尿嘧啶含量控制提供了一个简便、迅速、微量、準确的方法。

• it relies upon the selective deamination of unmethylated cytosine to uracil after treatment with sodium bisulphite, usually followed by pcr amplification of the chosen target region.

  它依赖于用亚硫酸氢钠处理后，非甲基化的胞嘧啶选择性的去氨基为尿嘧啶，通常接着所选的靶向区域的pcr扩增。

• what is the main way that uracil is created in dna and why is the bad?

  在dna 中的尿嘧啶是通过那种主要途径形成的，这种改变会产生怎样的有害结果？