Assign True or False to the following statements: False Amino-acids used in protein synthesis are typically D-amino-acids and mimic D-glyceraldehyde. False All amino acids used in protein synthesis have S stereocenters. True Amino-acids have a variety of sidechains with diverse properties including: alkyl,  polar, acidic, basic, and aromatic. False Proteins are made of an even mix of alpha, beta, and gamma amino-acids as coded for by DNA. False The terms protein and polypeptide are completely interchangeable. True Proteins can be used as structural materials, hormones, catalysts, protective molecules, and transport agents in cells.