The two polypeptides of human insulin are linked together by :-

1. A. Hydrogen bonds
2. B. Phosphodiester bond
3. C. Covalent bond
4. D. Disulphide bridges

Attempt this NEET 2016 Biology question free — pick an option to reveal the correct answer and a step-by-step explanation. Then join NEET Mastery Quest to practise 15,000+ PYQ and 2027-syllabus questions.