MCAT Question of the Day
    •

    Q:

    		 Prion diseases are the result of misfolded proteins produced from normal proteins. As the proteins become misfolded, they induce normal proteins to become misfolded as well. This results in an exponential increase in misfolded proteins. This is an example of which of the following?
    		 

    A

    		 feedback inhibition

    B

    		 positive feedback loop

    C

    		 induced-fit hypothesis

    D

    		 lock-and-key hypothesis



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