thymine

1. Thymine or thymine nucleotide concentration was all disqulified.: 胸腺嘧啶或胸腺嘧啶核苷均不合格。

2. There are just four kinds: adenine, thymine, guanine and cytosine.: 只有4种：腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶。

3. Then they timed the reactions that caused the new thymine bonds to form.: 然后他们记录了产生新的胸腺嘧啶键形成的反应。

4. Adenine and guanine are purines and cytosine and thymine are pyrimidines.: 腺嘌呤和鸟嘌呤是嘌呤和胞嘧啶和胸腺嘧啶是嘧啶。

5. The other two, thymine and cytosine, are single ring structures called pyrimidines.: 另两个为胸腺嘧啶和胞嘧啶，即称为嘧啶的单环结构。

6. Resembles thymine, but easily interconverts to tautomeric form that pairs with guanine.: 与胸腺嘧啶相似，但很容易转换成与鸟嘌呤配对的互变异构形式。

7. It is important in the growth and reproduction of cells, participating in the synthesis of purines and thymine.: 在细胞生长和再生中也很重要，参与了嘌呤和嘧啶的合成。

8. 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。

9. Objective: to express and purify TDG protein, and to prepare the rabbit antibody against thymine DNA glycosylase (TDG) protein.: 目的：表达纯化胸腺嘧啶糖苷酶(TDG)蛋白并制备TDG多克隆抗体。

10. This article's examples use DNA, which consists of two strands of adenine (A), cytosine (C), thymine (T), and guanine (G) nucleotides.: 本文的示例使用DNA，DNA由腺嘌呤（A）、胞嘧啶（C）、胸腺嘧啶（T）和鸟嘌呤（G）组成的核苷酸双螺旋组成。

11. What relative proportions of adenine, guanine, thymine, and cytosine would you expect to find in the two DNA samples? What assumptions have you made?: 在这两个DNA样品中腺嘌呤、鸟嘌呤、胞嘧啶、胸腺嘧啶之间的相互比例存在怎样的关系？

12. The genetic information of all living cells is stored in the DNA composed of the four canonical bases adenine (a), cytosine (c), guanine (g) and thymine (t).: 所有活细胞的基因信息都储存在由四种碱基，即腺嘌呤(A)、鸟嘌呤(G)、胞嘧啶(C)、胸腺嘧啶(T)构成的DNA里。

13. Thymine: Organic compound of the pyrimidine family, often called a Base, consisting of a ring containing Both nitrogen and carbon atoms, and a methyl group.: 胸腺嘧啶：一种嘧啶类有机化合物，通常叫做基底，由含有氮和碳原子以及甲基的环形物组成。

14. 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)。

15. 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。

16. Quantum chemical calculations of gossypol and thymine reveal that the net electronic charge distributions along the boldfaced line of their structural formula (Fig. 2) are just opposite in sign.: 量子化学计算棉酚与胸腺嘧啶分子中的净电荷分布，发现沿两者结构式粗线上各原子的电荷恰好符号相反（图2）。

17. Quantum chemical calculations of gossypol and thymine reveal that the net electronic charge distributions along the boldfaced line of their structural formula (Fig. 2) are just opposite in sign.: 量子化学计算棉酚与胸腺嘧啶分子中的净电荷分布，发现沿两者结构式粗线上各原子的电荷恰好符号相反（图2）。

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