MCAT Question of the Day


  • Q:


    The graph above depicts the rate of transport of two compounds across a membrane. Which of the following best predicts the identity of each molecule?


     

    A

    Molecule A is glycine (NH2CH2COOH); Molecule B is testosterone

    B

    Molecule A is O2; Molecule B is propanol

    C

    Molecule A is CO2; Molecule B is acetate (CH3COO-)

    D

    Molecule A is a bile salt; Molecule B is chloride



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