Bio-Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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12.

Which of the following statements about haemoglobin is correct

A: 2,3-Bisphosphoglycerate (BPG) increases the affinity of haemoglobin for oxygen.
B: Deoxygenated haemoglobin has a higher binding affinity for protons than has oxyhaemoglobin.
C: Haemoglobin has a higher affinity for oxygen than does myoglobin
D: One molecule of haemoglobin binds sixteen molecules of oxygen-four per submit

The answer is: B