Biology · PYQ NEET UG 2021
हिन्दीWith regard to insulin choose correct options.\n(a) C-peptide is not present in mature insulin.\n(b) The insulin produced by rDNA technology has C-peptide.\n(c) The pro-insulin has C-peptide\n(d) A-peptide and B-peptide of insulin are interconnected by disulphide bridges.\nChoose the correct answer from the option given below.
Correct answer · Option 4
(a), (c) and (d) only
Explanation
Proinsulin contains an extra stretch called C-peptide which is removed during maturation. rDNA produced insulin lacks C-peptide. A and B chains are linked by disulfide bonds. Thus (a), (c), and (d) are correct.