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。

youdao

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。

youdao

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。

youdao

Any time you see a c h 3, this means a methyl group.

一旦你看到一个，C，H，3，的组合，这就意味着一个甲基。

麻省理工公开课 - 化学原理课程节选

C H 3 So any time you see c h 3 here, remember that that's methyl and that's going to be a terminal group.

因此一旦你看到，记得这就是甲基,而且只能在结构的末端。

麻省理工公开课 - 化学原理课程节选

This is the process by which DNA is chemically altered by the addition of a methyl group (a carbon atom and three hydrogens) to genetic letter C.

ECONOMIST: Genomics has not yet delivered the drugs, but it will

Eugenol, a methoxyphenol found in various essential oils such as clove, bay laurel, cinnamon leaf, and rosemary, appears to be a particulary effective peorxynitrites scavenger (the methyl group binds to peroxynitrites and the phenol group converts it into water and a nitrogen dioxide anion).

FORBES: The Lessons Of Failure: What We Can Learn From Bapineuzumab's Blowup