Deduce the polypeptide sequence that generated the following results: a) acid hydrolysis: (Ala2 , Arg , Lys2 , Met, Phe, Ser2); b) Carboxypeptidase A digestion: Ala; c) Trypsin digestion: (Ala, Arg) (Lys, Phe, Ser) (Lys) (Ala, Met, Ser) d) cyanogen bromide treatment: (Ala, Arg, Lys2 , Met, Phe, Ser) (Ala, Ser) e) thermolysine digestion: (Ala) (Ala, Arg, Ser) (Lys2 , Met, Phe, Ser)