試題詳解

88. A peptide is digested by chymotrypsin, and the resulting peptides are shown as following: GlyAsn； Asp-Met-Leu-Phe； Leu-Lys-Trp； Met-Arg-Ala-Tyr. The C-terminal amino acid of the starting peptide (the one cleaved with chymotrypsin) is
(A) Asn
(B) Phe
(C) Trp
(D) Tyr
(E) Gly