The following question(s) are based on the 15 molecules illustrated in the accompanying figure. Each molecule may be used once, more than once, or not at all.
-Which of the following pairs of molecules could be joined together by a peptide bond in a dehydration reaction?
A) 2 and 3
B) 3 and 7
C) 7 and 8
D) 8 and 9
E) 12 and 13

Question

The following question(s) are based on the 15 molecules illustrated in the accompanying figure. Each molecule may be used once, more than once, or not at all. 
-Which of the following pairs of molecules could be joined together by a peptide bond in a dehydration reaction?
A) 2 and 3 
B) 3 and 7 
C) 7 and 8 
D) 8 and 9 
E) 12 and 13

Quizplus · Accepted Answer

Molecules 7 and 8 both have an amino group (-NH2) and a carboxyl group (-COOH) that can be involved in peptide bond formation through a dehydration reaction.

The Following Question(s) Are Based on the 15 Molecules Illustrated