What is the only
a-amino acid that does
not have a stereogenic carbon?
A)
glycine
B)
alanine
C)
phenylalanine
D)
valine
E)
leucine
Question 2What is the name of the following molecule?
A)
3-amino-3-phenylvaleric acid
B)
4-amino-4-methyl-4-phenylbutanoic acid
C)
4-amino-4-phenylpentanoic acid
D)
4-amino-4-phenyl-4-methylbutanoic acid
E)
2-amino-2-phenylbutanoic acid
Question 3Which of the following molecules is
a-aminopropanoic acid?
A)

D)

B)

E)

C)
Question 4The structure of an L-aldotetrose that would give an optically inactive alditol upon reduction with sodium borohydride (NaBH
4) is:
A)

D)

B)

E)

C)
Question 5An intermediate in the following glycoside hydrolysis is:

A)

D)

B)

E)

C)
Question 6The product of the following reaction sequence is:

A)

D)

B)

E)

C)
Question 7Which of the following reagents will oxidize an aldose to an aldaric acid?
A)
HNO
3 B)
Br
2, H
2O
C)
NaBH
4 D)
PCC
E)
Tollens' reagent