methyl group造句

1、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。

2、The methyl group 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。

3、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。