MCAT Question of the Day
    •

    Q:

    		 Which naturally occurring L-amino acid within the human body is the only one to exist as an (R) configuration?

    		 

    A

    		 Lysine

    B

    		 Cysteine

    C

    		 Glycine

    D

    		 Tryptophan



    Protein Structure and Function |
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