MCAT Question of the Day
    •

    Q:

    		 The hormone glucagon binds to a G protein-coupled receptor to activate a cellular response. If a competitive inhibitor to the receptor is present, what is the overall effect in the body?
    		 

    A

    		 Blood sugar decreases

    B

    		 Blood sugar increases

    C

    		 Decreased glucagon in the pancreas

    D

    		 Increased osmotic pressure of the blood.



    Control of Enzyme Activity | Hormonal Regulation |
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