37. Chymotrypsin preferentially cleaves after amino acids tryptophan, tyrosine, and phenylalanine in a protein. To a lesser extent, it may also cleave after leucine, methionine, and histidine. Which of the following peptides is NOT a product of chymotrypsin? (A) RSIAF (B) NWPQALPSVL (C) QIAM (D) EPDTDW (E) SIAFSR