Biology
NULL
Medium
Question
An insulin molecule consists of _________ polypeptide chains?
A
1
B
2
✓ Official correct answer
C
3
D
4
Community credibility
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A
1
No member explanations yet for this option.
B
2
No member explanations yet for this option.
C
3
No member explanations yet for this option.
D
4
No member explanations yet for this option.
Explanation
An insulin molecule is composed of two polypeptide chains — an A chain and a B chain — held together by disulfide bonds.