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Amino Acid ✔✔Dipolar compound containing an amino group and a carboxyl group Amino Group ✔✔-NH2 Carboxyl Group ✔✔-COOH Alpha Carbon ✔✔Central carbon atom in amino acid Attached to ... amino & carboxyl groups, H atom, and side chain Side Chain ✔✔The variable component of an amino acid that gives the amino acid its identity and chemical properties also called R-group Chiral ✔✔A molecule with a nonsuperimposable mirror image All amino acids (except glycine) are chiral (S) Absolute Configuration ✔✔All amino acids (except cysteine) have an (S) absolute configurationL-amino Acid ✔✔All amino acids found in eukaryotes Nonpolar, Nonaromatic Amino Acids ✔✔Glycine, alanine, valine, leucine, isoleucine, methionine, proline Glycine ✔✔Single H atom as side chain Achiral Smallest amino acid Alanine ✔✔Alkyl side chain (1C) Valine ✔✔Alkyl side chain (3C) Leucine ✔✔Alkyl side chain (4C) Isoleucine ✔✔Alkyl side chain (4C) Methionine ✔✔Methyl side chain (-CH3) Contains S atom in side chain Proline ✔✔Cyclic amino acid [Show More]

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