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)。
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).
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。
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).
果然不出所料,胸腺嘧啶的变异同样和吸烟者发生肺癌的机会呈正相关。
Not surprisingly, having the t variant also correlates with the chance of a smoker getting lung cancer.
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。
This article's examples use DNA, which consists of two strands of adenine (A), cytosine (C), thymine (T), and guanine (G) nucleotides.
基于一项样本数量为13945位冰岛吸烟者的研究,deCODE公司的研究人员证实如果胸腺嘧啶处在基因中恰当位置,就呈现出与嗜烟程度极强的相关性。
Based on a study of 13,945 Icelandic smokers, deCODE's researchers showed that having a t in the appropriate part of the gene correlates very strongly indeed with being a heavy smoker.
基于一项样本数量为13945位冰岛吸烟者的研究,deCODE公司的研究人员证实如果胸腺嘧啶处在基因中恰当位置,就呈现出与嗜烟程度极强的相关性。
Based on a study of 13, 945 Icelandic smokers, deCODE's researchers showed that having a t in the appropriate part of the gene correlates very strongly indeed with being a heavy smoker.
问题的答案隐藏在人类的第15号染色体中的相关区域,其中含有等位胸腺嘧啶碱基(T)编号为rs1051730SNP才是“罪魁祸首”。
That answer lies in part of human chromosome 15, and depends on what is known as allele T of SNP rs1051730.
然后他们记录了产生新的胸腺嘧啶键形成的反应。
Then they timed the reactions that caused the new thymine bonds to form.
腺嘌呤和鸟嘌呤是嘌呤和胞嘧啶和胸腺嘧啶是嘧啶。
Adenine and guanine are purines and cytosine and thymine are pyrimidines.
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)。
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.
最丰富的碱基是胞嘧啶, 胸腺嘧啶, 尿嘧啶,腺嘌呤和鸟嘌呤。
The most abundant bases are cytosine, thiamine , and uracil ( pyrimidines ) and adenine and guanine ( purines ) .
另两个为胸腺嘧啶和胞嘧啶,即称为嘧啶的单环结构。
The other two, thymine and cytosine, are single ring structures called pyrimidines.
胸腺嘧啶或胸腺嘧啶核苷均不合格。
Thymine or thymine nucleotide concentration was all disqulified.
方法采用四氧嘧啶型糖尿病动物模型,电镜下观察了糖尿病大鼠胸腺皮质上皮细胞的超微结构变化。
Methods the ultrastructure changes of the epithelial cells in the thymic cortex in diabetes rats were observed under electron microscope.
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。
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.
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。
The only difference is that in the RNA copy, thymine is replaced with the closely related base uracil, commonly abbreviated u.
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。
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.
最丰富的碱基是胞嘧啶,胸腺嘧啶,尿嘧啶,腺嘌呤和鸟嘌呤。
The most abundant bases are cytosine, thiamine, and uracil (pyrimidines) and adenine and guanine (purines).
目的探讨葡萄胎中胸腺嘧啶核苷激酶(TK)和增殖细胞核抗原(pcna)的表达水平及其对葡萄胎预后的影响。
Objective To study the expression of thymidine kinase (TK) and proliferating cell nuclear antigen (PCNA) in hydatidiform mole and assess their prognostic value.
科学家发现位于LTC4S启动子区(-444)腺嘌呤与胸腺嘧啶之间的颠换与心血管疾病亚临床人群存在关联。
The scientists found that the (-444)A>C promoter region polymorphism of LTC4S was associated with subclinical markers of cardiovascular disease (CVD).
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?
What relative proportions of adenine, guanine, thymine, and cytosine would you expect to find in the two DNA samples? What assumptions have you made?
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。
Resembles thymine, but easily interconverts to tautomeric form that pairs with guanine.
采用氚-胸腺嘧啶和四氮唑蓝法检测细胞增殖能力。
只有4种:腺嘌呤、胸腺嘧啶、鸟嘌呤和胞核嘧啶。
There are just four kinds: adenine, thymine, guanine and cytosine.
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。
Objective: to express and purify TDG protein, and to prepare the rabbit antibody against thymine DNA glycosylase (TDG) protein.
结果:从广枣70 %乙醇提取物中分离出一个胸腺嘧啶脱氧尿苷类化合物,结构为5-甲基-3′ ,5′-二氧-(对氯苯甲酰基)-2′-脱氧尿苷。
RESULT: A deoxyuridine was isolated from 70% alcohol extract and identified as as 5-methyl-3′, 5′-di-O-(p-chlorobenzoyl)-2′-deoxyuridine.
使用含有BrdU的培养基培养细胞,这种嘧啶类似物能够在新dna和成时取代胸腺嘧啶。
When cells are cultured with labeling medium that contains BrdU, this pyrimidine analog is incorporated in place of thymidine into the newly synthesized DNA of proliferating cells.
当细胞培养于含BrDU的标记培养基中,该胸腺嘧啶类似物可代替胸腺嘧啶掺入到增殖细胞的新合成DNA中。
When cells are cultured with labeling medium that contains BrdU, this pyrimidine analog is incorporated in place of thymidine into the newly synthesized DNA of proliferating cells.
当细胞培养于含BrDU的标记培养基中,该胸腺嘧啶类似物可代替胸腺嘧啶掺入到增殖细胞的新合成DNA中。
When cells are cultured with labeling medium that contains BrdU, this pyrimidine analog is incorporated in place of thymidine into the newly synthesized DNA of proliferating cells.
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