MCAT Question of the Day
    •

    Q:

    		 Which of the following compounds would be an effective nuclear stain?
    		 

    A

    		 Osmium tetroxide, a dark colored dye which reacts with lipid-dense structures

    B

    		 DAPI, a fluorescent stain which binds strongly to purines and pyrimidines

    C

    		 Carmine, a red dye which binds strongly to polysaccharide

    D

    		 Bismark brown, a yellow dye which stains high-molecular-weight glycoproteins



    Nucleic Acid Structure and Function |
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