Q. Which functional group participates in disulphide bond formation in proteins ?
A) Thiolactone
B) Thiol
C) Thioether
D) Thioester
Explanation
[Solution from source] Disulphide bridges (–S–S–) form by oxidation of the thiol (–SH) groups of two cysteine residues. Thioethers (as in methionine) and thioesters do not form disulphide bonds. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.