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methyl
This term functions primarily as a chemical modifier rather than a standalone object. It describes a specific structural unit that attaches to a larger molecule, altering the chemical properties and reactivity of that molecule. In laboratory settings, using a methylating agent is a precise action used to change the biological activity of a compound.
While it sounds technical, the concept is pervasive in biology, particularly in epigenetics where methyl groups attach to DNA to turn genes on or off. It carries a clinical, scientific connotation and is almost never used in casual conversation outside of a chemistry or medical context.
Used as a mass noun to describe a chemical moiety or a functional group in a molecular structure.
Meanings
Examples
The molecule contains a single methyl group attached to the benzene ring.
Is this the methyl ester we need for the reaction?
DNA methylation involves the addition of a methyl group to cytosine.
I wonder if the methyl substituent will cause steric hindrance here.
Methyl alcohol is highly toxic if ingested.
The professor explained how the methyl radical is formed during the process.
We need to verify the position of the methyl group using NMR spectroscopy.
Toluene is simply a methyl group bonded to a phenyl group.
The enzyme catalyzes the transfer of a methyl group from SAMe.