Outline 4. 1: Amino Acids: Building blocks of Proteins 4.2: Acid-Base Chemistry of Amino Acids 4.3 Reactions of amino acids 4.4: Optical activity and stereochemistry of Amino acids 4.5: Spectroscopic properties of Amino Acids 4.6: Separation and analysis of a a MixturesOutline 4.1: Amino Acids: Building Blocks of Proteins 4.2: Acid-Base Chemistry of Amino Acids 4.3: Reactions of Amino Acids 4.4: Optical Activity and Stereochemistry of Amino Acids 4.5: Spectroscopic Properties of Amino Acids 4.6: Separation and Analysis of a.a. Mixtures