Which of the amino acids in Fig. contain more than one chiral carbon atom? Draw the structures of these amino acids, and indicate all chiral carbon atoms.

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Nonpolar R groups OH OH HyC Glycine (Gly) Alanine Ala) OH он Proline Pro) Phenylalanine (Phe) NH H2N-C-C H2N H2N H2N-С-С он он OH он OH Isoleucine (Ile) Tryptophan (Trp) Methionine (Met) Valinc (Val) (Leu) Polar R groups O NH HC-N CH HzN он Serine H2N H2N- H2N Ser) Он он 臼 、OH Glutamine (GIn) Histidine (His) lyrosinc CH OH Tyr) он H2N OH Asparagine (Asn) Thrconine (Thr) NH2 CH2 он 0 H2N H2N H2N H2N-C-C он H OH Cysteine Cys) Glutamic acid Aspartic acid Asp Arginine Arg Glu) (Lys)