Chem 336 - Spring 2000Organic Chemistry III
Dr. Carl C. Wamser
Chem 336 - Spring 2000
1. The functional groups found in the dipeptide AlaLeu would include
a) amide
b) ketone
c) thiol
d) alcohol
e) ring
2. At pH 7, the amino acid Arg will be primarily
a) neutral
b) -1
c) -2
d) +1
e) +2
3. In the single-letter abbreviations for amino acids, tryptophan is represented by
W
4. Edman degradation is a method for
a) catalytic hydrolysis of a peptide
b) removal of the C-terminal amino acid of a peptide
c) removal of the N-terminal amino acid of a peptide
d) cyclization of a peptide
e) cleavage of a peptide at a basic amino acid
5. An example of an N-terminal protecting group is
a) dicyclohexylcarbodiimide
b) benzyloxycarbonyl
c) ninhydrin
d) t-butyl
e) alpha-helix