Amino Acids Amino Acids on October 9, 2017 Biochemistry Biology by My 0 Comments Amino AcidsAmino acid is a monomer.chain of amino acids form polypeptides/dipeptides Different amino acid have different R groups attached to them. The amino acid carboxyl group stays the same.here are 20 amino acids naturally incorporated proteins:Valine, Leucine, Alanine, Arginine, Proline, Cysteine, Threonine, Methionine, Histidine,Glutamine, Lysine, Aspartic acid, Glutamic Acid, Serine, Phenylalanine, Tyrosine, Tryptophan, Asparagine, Glycine,There are 8 amino acids which must be consumed through foods:Histidine, Lysine, BCAAS (Branched Chain amino acid), Phenylalanine, MethionineDipeptides are formed by 2 amino acids in a condensation reactions.