Valine {Ans: Aliphatic (non-polar) Simple, R shaped like a V}Asparagine {Ans: Amide derivatives of acids - loose OH for NH2 to loose charge amide derivative of aspartate}Serine {Ans: Aliphatic hydroxyl "hydroxyl alanine"}Tyrosine {Ans: Aromatic hydroxylated phenylalanine, one of 3 "T"s that has "Y" in its name so it is an aromatic}Phenylalanine {Ans: Aromatic Alanine with phenyl group y reminds of aromatics}Histidine {Ans: Basic 3 carbons to N and loop back through C 'n' N}