methyl group

American  

noun

Chemistry.

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

---

Example Sentences

But unlike previous antibiotics, cresomycin binds so tightly to the ribosome that it essentially negates the effect of the methyl group.

From Los Angeles Times • Feb. 15, 2024

The final improved enzyme does not directly cleave the silicon-carbon bond but rather oxidizes a methyl group in the siloxanes in two sequential steps.

From Science Daily • Jan. 25, 2024

That idea began to unravel in 1994, when Low discovered that a chemical tag called a methyl group could block transcription in bacteria—something scientists had thought was exclusive to eukaryotic cells.

From Scientific American • Apr. 8, 2022

In DNA methylation, a molecule called a methyl group attaches to a base, usually cytosine.

From Science Magazine • Oct. 18, 2021

The hydroxyl group also resembles the methyl group in its morphotropic effects, producing, in many cases, no change in symmetry but a dimensional increase in one direction.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various