MCAT Question of the Day
    •

    Q:

    		 A missense mutation alters a leucine residue to an isoleucine residue, both similarly-sized nonpolar amino acids. The residue is typically found in the inside of an enzyme. This mutation is most likely to have which of the following effects?
    		 

    A

    		 increase in the enzymatic activity

    B

    		 slight decrease in the enzymatic activity

    C

    		 dramatic decrease in the enzymatic activity

    D

    		 markedly decreased resistance to changes in pH



    Protein Structure and Function |
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