<prompt> All the following amino acids contain a hydroxyl group, Except ?SerineLysineThreonineTyrosine  <response>: Amino acids with side chains containing Hydroxyl groups: 1.Serine 2.Threonine 3.Tyrosine Lysine is an amino acid with the side chain containing Basic groups Reference: Explanation: Harpers Biochemistry; 30th edition; Chapter 3; Amino acids and Peptides 