Question

According to Heldane effect how oxyhaemoglobin behaves:

• A. It act as powerful base so reaction with $ C{{O}_{2}} $ reduces
• B. It act as strong base so reaction with $ C{{O}_{2}} $ increase
• C. Oxyhaemoglobin act as strong acid so association with $ C{{O}_{2}} $ reduces
• D. Oxyhaemoglobin act as strong acid so association with $ C{{O}_{2}} $ increase

Answer 1

Answer: (C)

Oxy haemoglobin behaves as a strong acid which dissociates $ {{H}_{2}}C{{O}_{3}} $ into $ C{{O}_{2}} $ and $ {{H}_{2}}O $ in the presence of carbonic anhydrase enzyme.