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Question
Haldane effect is due to
Haldane effect is due to
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Solution
The correct option is D CO2
The Haldane effect is due to the higher affinity of deoxygenated haemoglobin for CO2 than oxyhaemoglobin as it is a better proton acceptor than oxyhaemoglobin. Therefore, when haemoglobin is deoxygenated (i.e., at tissues) there is a right shift of the carbonic acid-bicarbonate buffer equation to produce H+, which in turn increases the amount of CO2 , which can be carried by the blood back to the lungs to be exhaled. Then, with oxygenation at the lungs CO2 CO2 dissociates more readily from haemoglobin.
The Haldane effect is due to the higher affinity of deoxygenated haemoglobin for CO2 than oxyhaemoglobin as it is a better proton acceptor than oxyhaemoglobin. Therefore, when haemoglobin is deoxygenated (i.e., at tissues) there is a right shift of the carbonic acid-bicarbonate buffer equation to produce H+, which in turn increases the amount of CO2 , which can be carried by the blood back to the lungs to be exhaled. Then, with oxygenation at the lungs CO2 CO2 dissociates more readily from haemoglobin.
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