MCAT Question of the Day
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    Q:

    		 Reaction rates increase with increasing temperature, because the rate constant k is related to the absolute temperature. However, reactions catalyzed by enzymes have an upper limit on the temperatures at which they are able to catalyze reactions. This is primarily because:
    		 

    A

    		 high temperatures denature enzymes.

    B

    		 enzymes alter reaction rate kinetics.

    C

    		 enzymes are unique catalysts in that the reactions they catalyze are independent of temperature.

    D

    		 enzymes alter the reaction mechanism.



    Enzyme Structure and Function |
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