Refer to Figure 5.6 to answer the following questions.

Figure 5.6
-Which bond is closest to the amino terminus of the molecule?
A) A
B) B
C) C
D) D
E) E

Question

Refer to Figure 5.6 to answer the following questions.
  
Figure 5.6
-Which bond is closest to the amino terminus of the molecule?
A) A 
B) B 
C) C 
D) D 
E) E

Quizplus · Accepted Answer

Bond A is closest to the amino terminus because it is attached to the N-terminal amino group of the amino acid residue on the left side of the bond. The amino terminus of a polypeptide chain is the end with a free amino group (-NH2).