MCAT Question of the Day
    •

    Q:

    		 Soluble proteins like blood serum albumin can help buffer pH levels because:
    		 

    A

    		 the acidic and basic amino acid residues can accept or donate protons in solution as needed.

    B

    		 soluble proteins can precipitate when the pH is altered.

    C

    		 proteins can hydrolize in the presence of acids or bases which neutralizes their effect.

    D

    		 proteins can activate other acid- or base-producing proteins to alter the pH.



    Acid/Base Equilibria |
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