RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

  • question_answer
    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

    Correct Answer: C

    Solution :

    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.


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