MCAT Question of the Day


  • Q:

    Leghemoglobin is a plant protein similar in structure to human hemoglobin. However, its affinity for oxygen is approximately 10 times higher than that of human hemoglobin. Leghemoglobin would be expected to have which of the following effects on the human body if it replaced hemoglobin?

     

    A

    Human blood with leghemoglobin would be less efficient at oxygen absorption in the lungs.

    B

    Human blood with leghemoglobin would be less efficient at oxygen delivery in the tissues.

    C

    Human blood with leghemoglobin would not be red.

    D

    Human blood with leghemoglobin would not need white blood cells.



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