uracil造句_uracil例句_uracil用法_V5词典

1. Nucleobases, in this case uracil and xanthine, are the components that make up two of the most important parts of any Earth-bound life form, DNA and RNA.: 所发现的碱基物质，也就是尿嘧啶和黄嘌呤，它们合成了对于地球生物最重要的两种物质，DNA以及RNA。

2. He uses zeroes and ones to represent the very first chemical building blocks of life (most likely compounds based on adenine, thymine, guanine, cytosine or uracil).: 他用许多0和1来表示最早期时生命的化学成分（很可能是由腺嘌呤、胸腺嘧啶、鸟嘌呤、胞嘧啶和尿嘧啶组成的化合物）。

3. 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）。

4. 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。

5. Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.: 嘧啶类由嘧啶衍生出来或在结构上与嘧啶有关的一种基本混合物尤指核酸组成的尿嘧啶。

6. 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。

7. 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症小鼠血清醛缩酶有降低作用。

8. 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。

9. 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-脲嘧啶碱基对的影响情况。

10. 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？

11. Both collaborations have also studied the effects of low - energy electron attachment to halo- uracil molecules, in which a halogen atom such as bromine replaces a hydrogen atom.: 前述两项合作研究，也同时探讨低能量电子与卤化尿嘧啶分子（也就是尿嘧啶分子中的一个氢原子被溴之类的卤素原子所取代）结合后的效应。

12. 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。

13. 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。

14. A white, odorless powder, C9H12N2O6, that is the nucleoside of uracil, important in carbohydrate metabolism, and used in biochemical experiments.: 尿□白色无味粉末，C9H12N2O6，是尿嘧啶中的核□，在糖类新陈代谢作用中很重要，用于生化实验中。

15. The only difference is that in the RNA copy, thymine is replaced with the closely related base uracil, commonly abbreviated U.: 唯一的区别在于，在RNA复制中，胸腺嘧啶被密切联系的、常被缩写为U的碱基尿嘧啶替换。

16. Analysis of the resulting cytosine methylation patterns with the highest resolution is achieved after sodium bisulfite treatment, deaminating nonmethylated cytosines to uracil.: 用最高分辨率对作为结果的胞嘧啶甲基化模式的分析是经过亚硫酸氢钠处理后，脱氨基的非甲基化胞嘧啶转变为尿嘧啶。

17. The result shows that the Uracil and ITS can promote the multiplication of the granule cells, and improve the maturation rate, cleavage rate, and 8-16 cell rate.: 结果表明，培养液中添加尿嘧啶和三价因子能够促进颗粒细胞的增殖，提高牛卵母细胞的成熟率、卵裂率及8~16细胞率；

18. 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。

19. 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。

20. Structure resembles uracil with an attached bromine group.: 带有溴基团的结构与尿嘧啶相似。

21. 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、准确的方法。

22. In this paper how the Uracil, ITS, and ATP affect the in vitro maturation (IVM) and viability of bovine oocytes was investigated.: 研究了尿嘧啶、三价因子和三磷酸腺苷二钠盐（ATP）对牛卵母细胞体外成熟及后期发育的影响。

23. 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。

24. 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。

25. OBJECTIVE A HPLC method was established for the determination of tegafur and uracil in compound tegafur capsules and its dissolution.: 目的建立一种高效液相色谱法测定复方替加氟胶囊含量及其溶出度。

26. The influence of cimetidine (Cim) on the antitumor effect of uracil-FT-207(UFT) was studied.: 我们研究了西咪替丁与优福定并用对实验性肿瘤的效应及其作用机制。

27. In the same enzyme system, it competes against uracil, blocks the metabolic link and impedes the synthesis of DNA, for prohibiting the propagation of the cancer cell.: 它的结构与肿瘤细胞所必须的代谢结构尿嘧啶相类似，在同一系统酶中互相竞争，阻断代谢环节，阻碍DNA合成，从而抑制肿瘤细胞的增殖。

28. Uracil A nitrogenous base that is found in RNA but not in DNA.: 存在于RNA而非DNA中的一种含氮碱基。

29. Diagram the steps executed in the uracil repair system that are UNIQUE to this repair system. Provide names for the enzymes used.: 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。

30. 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 .: 应用示踪法和体外培养技术，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。

31. One of the purines(adenine and guanine)or pyrimidines(cystosine, thymine, and uracil)that occurs attached to the sugar component of DNA or RNA.: 碱基嘌呤（腺嘌呤和鸟嘌呤）或嘧啶（胸嘧啶、胸腺嘧啶和尿嘧啶）的一种，附着在脱氧核糖核酸或核糖核酸的糖分子上

32. Any of several basic compounds derived from or structurally related to pyrimidine, especially the nucleic acid constituents uracil, cytosine, and thymine.: 嘧啶类由嘧啶衍生出来或在结构上与嘧啶有关的一种基本混合物尤指核酸组成的尿嘧啶，胞嘧啶和胸腺嘧啶

33. "Ribose: Five-carbon sugar found in RNA. (In DNA the corresponding sugar is the closely related deoxyribose.) A ribose molecule combined with adenine, guanine, cytosine, or uracil forms a nucleoside; adding a phosphate group forms a nucleotide.": 核糖: 核糖核酸中的五碳糖。(去氧核糖核酸中相应的糖类和去氧核糖密切相关)核糖分子和腺嘌呤、鸟嘌呤、胞嘧啶或尿嘧啶形成核;再加上磷酸盐和磷酸酯便成为核。

34. "The Base uracil occurs in RNA, thymine in DNA, and adenine, guanine, and cytosine in Both, as part of the nucleosides uridine, deoxythymidine, adenosine or deoxyadenosine, guanosine or deoxyguanosine, and cytidine or deoxycytidine.": 核糖核酸中的尿嘧啶、去氧核糖核酸中的胸腺嘧啶和两者皆有的腺嘌呤、鸟嘌呤和胞嘧啶组成了核中尿、去氧胸腺、腺或去氧腺、鸟或去氧鸟和胞或去氧胞的一部分。

35. uracil herbicide: 尿嘧啶类除草剂

36. A white, odorless powder, C9H12N2O6, that is the nucleoside of uracil, important in carbohydrate metabolism, and used in biochemical experiments.: 尿苷白色无味粉末，C9H12N2O6，是尿嘧啶中的核苷，在糖类新陈代谢作用中很重要，用于生化实验中

37. purine base found in DNA and RNA; pairs with thymine in DNA and with uracil in RNA.: DNA和RNA中的嘌呤碱，与DNA中胸腺嘧啶和尿嘧啶成对。

38. methyl uracil 5-: 甲基尿嘧啶

39. "The sequence of purines and pyrimidines (Bases)-adenine (A), guanine (G), cytosine (C), and either thymine (T; in DNA) or uracil (U; in RNA)-in the nucleotides, in groups of three (triplets, or codons), constitutes the genetic code. ": 在核酸中,嘌呤和嘧啶(碱基)－腺嘌呤(A)、鸟嘌呤(G)、胞嘧啶(C)和胸腺嘧啶(T)或尿嘧啶－以三个为一组(三联体,或密码子)的序列组成了遗传密码。

40. Uracil-- a pyrimidine found in RNA that base-pares with adenine.: 尿嘧啶--核糖核酸中的一种嘧啶，与腺嘌呤形成碱基对。

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