MCAT Question of the Day
    •

    Q:

    		 All amino acids have at least two pKa values. Which of the following functional groups would provide an amino acid a third pKa value (between 0 and 14)?
    		 

    A

    		 -CH2CH2CONH2

    B

    		 -C(OH)CH3

    C

    		 -CH2CH2SCH3

    D

    		 -CH2CH2CH2CH2NH2



    Protein Structure and Function |
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