1.

Which amino acid has beta hydroxyl group in its side chain

Answer»

Serine is ALANINE with a hydroxyl (–OH) group and cysteine is alanine with a sulfhydryl (–SH) group. Threonine has four carbons, with a hydroxyl group on the beta carbon. The beta carbon is NEXT to the one CONTAINING the ALPHA carbon (the alpha carbon has the amino group on it).



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