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Which amino acid has a methyl group as R?

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in Biology – Class 11 by (272k points)
Which amino acid has a methyl group as R?

(a) Serine

(b) Glycine

(c) Valine

(d) Alanine

I got this question at a job interview.

This intriguing question comes from Biomolecules topic in portion Biomolecules of Biology – Class 11

1 Answer

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Best answer
Right option is (d) Alanine

The best explanation: Amino acids have a chiral carbon bound with an amino group, an acid group, a hydrogen and an R group. In alanine, the R group is a methyl group. In glycine, the R group is a hydrogen atom.

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