MCAT Question of the Day
    •

    Q:

    		 Horseradish peroxidases are able to catalyze a variety of reduction reactions to convert peroxides into alcohols. Other peroxidases, however, are often only able to catalyze the reduction reaction with a specific substrate. This information suggests which of the following?
    		 

    A

    		 Horseradish peroxidases do not have negative feedback loops with their products while other peroxidases do.

    B

    		 Horseradish peroxidases are less susceptible to denaturing agents than other peroxidases.

    C

    		 Horseradish peroxidases have active sites that are more accessible to peroxides than other peroxidases.

    D

    		 Horseradish peroxidases use induced-fit binding to their substrates while other peroxidases use lock-and-key binding.



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