Which statement about insulin is correct?
A)Insulin is composed of two polypeptides,the A chain and the B chain.
B)Insulin contains an intrachain disulfide bond.
C)Insulin contains interchain disulfide bonds.
D)The A chain and the B chain of insulin are encoded by a single gene.
E)All of the above are correct.

Question

Quizplus · Accepted Answer

All of the statements are correct. Insulin is composed of two polypeptides, the A chain and the B chain, which are connected by interchain disulfide bonds. The A chain contains an intrachain disulfide bond. The A chain and the B chain are encoded by separate genes, but they are transcribed as a single mRNA molecule and are then cleaved during translation.

Which Statement About Insulin Is Correct