MCAT Question of the Day
    •

    Q:

    		 Which of the following amino acid substitutions would likely have the greatest impact on the 3-dimensional structure of a protein?
    		 

    A

    		 valine to leucine

    B

    		 isoleucine to leucine

    C

    		 tyrosine to phenylalanine

    D

    		 aspartic acid to lysine



    Protein Structure and Function |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More