methyl group

noun

Chemistry.

1. the univalent group CH 3 −, derived from methane.

Example Sentences

DNA m is a natural process where small chemical groups, called methyl groups, are added to certain parts of our DNA.

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This is why RNA-methylation needs to be tightly controlled, taken care of by a set of proteins: "writers" deposit, "readers" recognize and "erasers" remove the methyl group.

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This modification is enabled by the transfer of methyl groups to nucleobases at certain positions in the DNA.

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In particular, they focused on a process known as DNA methylation, in which molecules called methyl groups are added to different genes, often changing the way they are expressed.

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DNA methylation, which involves methyl groups attaching to nucleotides in DNA, varies with age, and these epigenetic clocks use certain variations in methylation to estimate biological age.

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