Amino Acids with Nonpolar R Groups Alanine, Valine, Leucine, Isoleucine, Proline, Phenylalanine, Tryptophan, Methionine Amino Acids with Uncharged Polar R Groups Glycine, Serine, Threonine, Cysteine, Tyrosine, Asparagine, Glutamine Amino Acids with Charged Polar R Groups (Negatively Charged at pH...