When a methyl group attaches to a specific spot on a gene - a process called DNA methylation.
甲基附加到基因上某个特殊点的过程，称为DNA甲基化。
The team looked at methylation, in which a methyl group is placed onto cytosine in DNA sequences.
工作小组关注甲基化作用，是指一个甲基群被放在DNA序列的胞嘧啶上面。
The methyl group (CH3) attached to the methionine sulfur atom in SAM is chemically reactive.
甲基基团（CH3）附着在SAM中蛋氨酸硫原子具有化学反应性。
A methyl group is a basic unit in organic chemistry: one carbon atom attached to three hydrogen atoms.
甲基是有机化学的基本单位：一个碳原子连接三个氢原子。
Trigonelline is unstable above 160 degrees F; the methyl group detaches, unleashing the niacin-vitamin b3-into your cup.
胡芦巴碱华氏160度以上时化学性质不稳定，甲基脱落，释放出烟碱酸，也就是维生素b3。
Conclusion Introducing the methyl group or a low alkyl group resulting in the high selectivity and increase of its activity.
结论甲基或低级烷基的引入导致了高选择性，使其活性增大。
Much is known about the "fifth base, " 5-methylcytosine, which arises when a chemical tag or methyl group is tacked onto a cytosine.
此前，科学家们已对第5种碱基有所了解——当一个化学标签或甲基被固定到一个胞嘧啶上时，第5种碱基就会出现。
In healthy cells a compound called a methyl group is tagged to DNA where it ACTS as a "red light", preventing certain genes from producing proteins.
在正常细胞中，甲基作为DNA标记的一个“红灯”，阻止某些基因合成蛋白质。
Substitution of methyl group at 1,2 and 3 position on 1-methylindole, 2-methylindole and 3-methylindole inhibits initial microbial attack significantly.
同时，1、2或3位上的甲基替代使1 甲基吲哚，2 甲基吲哚和3 甲基吲哚的降解受到严重抑制。
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。
Darwin taught us that it takes many generations for a genome to evolve, but researchers have found that it takes only the addition of a methyl group to change an epigenome.
达尔文告诉我们基因进化需历经数代，而研究人员发现只有增加一组甲基，就能改变外基因。
It may be synthesized directly from ammonia carbon dioxide and a donated methyl group; derived from serine; or derived from glycerate 3-phosphate by transamination of glyoxylate.
甘氨酸来源于丝氨酸，或由乙醛酸经转氨作用生成的甘油3 -磷酸转化而成。
The water management research unit is an interdisciplinary group of scientists conducting research in irrigation water management and methyl bromide alternatives .
描述：水资源管理研究机构是一个跨学科的在灌溉用水管理和甲基溴化物替换品研究领域科学家团体。
High boiling silicone containing activity is the base of group oxygen, easy solidified into methyl silicone membrane.
高沸硅油是含有活性甲氧基、乙氧基基团的甲基硅油，容易固化成膜。
The relative removal rate of methyl and methylene group showed the shape of M with the increase of temperature.
甲基与亚甲基的相对脱除速率随温度呈现M型关系。
The water management research Unit is an interdisciplinary group of scientists conducting research in irrigation water management and methyl bromide alternatives.
水资源管理研究机构是一个跨学科的在灌溉用水管理和甲基溴化物替换品研究领域科学家团体。
The content of methyl functional group of humus is an important index to evaluate the humification of soil.
胡敏酸甲氧基功能团的含量多寡是衡量土壤腐殖质化的重要指标。
The distribution of carboxylic group were determined by conductance titration and affected by the concentration of surfactant, the volume fraction and the amount of methyl acrylic acid.
同时，用电导滴定法测定了乳胶粒表面羧基的含量，探讨了乳化剂浓度、羧酸含量及内相比对羧基分布的影响。
In the formula (1), R1 represents benzyl group or phenoxy methyl and m represents monovalent cation.
式(1)中，R1表示苄基或苯氧甲基。M表示一价的阳离子。
This paper studies water soluble disperse dyes containing carboxy-methyl-sulfonyl group (-SO2CH2COOH).
本文提出一类含有羧甲磺酰基（—SO_2CH_2COOH）的新的水溶性分散染料。
This paper studies water soluble disperse dyes containing carboxy-methyl-sulfonyl group (-SO2CH2COOH).
本文提出一类含有羧甲磺酰基（—SO_2CH_2COOH）的新的水溶性分散染料。
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