<prompt> Which is not an endopeptidase?TrhypsinPepsinChymotrypsinAminopeptidase  <response>: Endopeptidases. They act on peptide bonds inside the protein molecule so that the protein becomes successively smaller and smaller units. This group includes Pepsin, Trypsin, Chymotrypsin, and Elastase.Ref: DM Vasudevan, page no: 13 