A) One
B) Two
C) Three
D) Four
Correct Answer: D
Solution :
Haemoglobin is one of a group of globular proteins occurring widely in animals as oxygen carriers in blood. Vertebrate haemoglobin comprises two pairs of polypeptide chains, known as u-chains and p-chains (forming the globin protein) with each chain folded to provide a binding site for a haem group. Each of the four haem groups binds one oxygen molecule to form oxyhaemoglobin.You need to login to perform this action.
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