MCAT Question of the Day
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    Q:

    		 Gram's iodine allows crystal violet to form large complexes which are then retained in certain bacteria and released in other bacteria during decolorization. Which of the following accurately describes the relationship between Gram-staining bacteria, the thickness of their cell wall, and their outer membrane?
    		 

    A

    		 Gram positive - thin cell wall - has an outer membrane

    B

    		 Gram positive - thick cell wall - has no outer membrane

    C

    		 Gram negative - thin cell wall - has no outer membrane

    D

    		 Gram negative - thick cell wall - has an outer membrane



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