Refer to the diagram given below and answer the questions that

Refer to the diagram given below and answer the questions that follow.
refer-to-the-diagram-given-below-and-answer-the-questions-that-1
(i) The diagram shown above is insulin or proinsulin, Justify.
(ii) How is mature insulin synthesised?

(i) The diagram is proinsulin as it contains C-peptide.
(ii) Mature insulin is synthesised by removal of extra stretch called C-peptide.
refer-to-the-diagram-given-below-and-answer-the-questions-that-2