Which of the following is also an acceptable name for 1,3,5-trimethylbenzene?

A) styrene
B) mesitylene
C) cumene
D) cymene
E) 1,3,5-xylene

When 2,2-dimethylbutane is subjected to free-radical chlorination, ________ distinct monochlorinated products are possible and ________ of these contain asymmetric carbon atoms.

A) 4; 2
B) 5; 0
C) 3; 0
D) 5; 2
E) 4; 0

Which of the following is the strongest acid?

A) (CH₃) ₂CHCO₂H
B) CH₃CH₂CO₂H
C) CH₃OCH₂CO₂H
D) PhCH₂CO₂H
E) O₂NCH₂CO₂H

What is the major end product of the following reaction series?

A) Ala
B) Gly
C) Leu
D) Ile
E) Val

A protein bonded to a sugar residue would be classified as a ________.

A) simple protein
B) glycoprotein
C) lipoprotein
D) metalloprotein
E) nucleoprotein

Could L-proline be made using reductive amination? If so, show the starting material. If not, explain why.