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)

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

3.09 lab: reaction of metals 1 which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.