MCAT Question of the Day
    •

    Q:

    		 Which of the following amino acids does NOT have a third titration point?
    		 

    A

    		 phenylalanine

    B

    		 aspartic acid

    C

    		 glutamic acid

    D

    		 lysine



    Protein Structure and Function |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More