MMSC407 Exam 2 Questions with All Correct Answers

MMSC407 Exam 2 Questions with All Correct Answers What is the structure of an amino acid? - Answer-Amino group (N-terminus on left), Carboxyl group (C-terminus on right), Side chain (R-group on bottom) Amide bonds - Answer-The peptide bonds that link amino acids in a protein (C-NH2) Carboxyl bonds - Answer-C-COOH Amide bonds are... - Answer-Basic Carboxyl bonds are... - Answer-Acidic What forms are all amino acids in? (except when R=H) - Answer-Chiral L-stereoisomer form How many essential amino acids are there? - Answer-9 What is an essential amino acid? - Answer-An amino acid that we CANNOT synthesize, but we OBTAIN from our diet Name the essential amino acids - Answer-histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, valine What are the polar essential amino acids? - Answer-lysine, histidine, threonine What are the non-polar essential amino acids? - Answer-phenylalanine, isoleucine, leucine, methionine, tryptophan, valine