MCAT Question of the Day
    •

    Q:

    		 The Gram stain distinguishes what type of organisms?
    		 

    A

    		 Pathogenic bacteria versus nonpathogenic bacteria.

    B

    		 Bacteria with a single membrane and a thick layer of peptidoglycan versus bacteria with two membranes and a thin layer of peptidoglycan.

    C

    		 Bacteria with a cell wall versus bacteria without a cell wall.

    D

    		 Bacteria versus archaea.



    Prokaryotes |
    Subscribe


    Is Your Score Stuck?

    We can teach you how to crush the MCAT!

    Learn More