In: Chemistry
Which of the following statements about insulin is INCORRECT?
The leader sequence is cleaved off after membrane transport. | |
a.) |
The disulphide bonds form after the final proteolytic cleavage to yield mature insulin. |
b.) | It is stored in the pancreas in an inactive form. |
c.) | In the active form it has two polypeptide chains joined by disulphide bonds. |
d.) | It is synthesized as a random coil single chain on membrane-bound ribosomes. |