Biochemistry Human growth hormone has: A One polypeptide chain and one intra chaindisulphide bond B One polypeptide chain and two intra chaindisulphide bond C Two polypeptide chains joined by onedisulphide bond D Two polypeptide chains joined by twodisulphide bond 💡 Explanation Human growth hormone has: ✓ Correct Answer: B. One polypeptide chain and two intra chaindisulphide bond