Sanger's reagent is used
A)
to determine the amino acid sequence of a peptide.
B)
to determine the C-terminal amino acid of a peptide.
C)
to determine the isoelectric point of a peptide.
D)
to determine the number of amino acids in a peptide.
E)
to determine the N-terminal amino acid of a peptide.
Question 2
A tetrapeptide contains the amino acids Phe, Ala, Gly, and Leu. Partial hydrolysis affords the dipeptides Phe-Ala, Ala-Gly, and Leu-Phe. The structure of the tetrapeptide is
A)
Ala-Gly-Leu-Phe.
B)
Leu-Phe-Ala-Gly.
C)
Gly-Ala-Phe-Leu.
D)
Leu-Phe-Gly-Ala.
E)
Phe-Leu-Gly-Ala.