A) 2
B) 3
C) 4
D) 5
Correct Answer: C
Solution :
[c] 4 The haemoglobin molecule is made up of four polypeptide chains or subunits: two alpha chains of 141 amino acid and two beta chains of 146 amino acids. The four chains are held together by non-covalent structures or interactions.
You need to login to perform this action.
You will be redirected in
3 sec
