MCAT Question of the Day
    •

    Q:

    		 If 18O-labeled O2 were used to track its usage in the human body, in which of the following molecules would the labeled oxygen be most abundant?
    		 

    A

    		 glucose

    B

    		 fats

    C

    		 proteins

    D

    		 water



    Oxidative Phosphorylation |
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