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4 May, 20:06

Why some bacteria stain positive and some stain negative?

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  1. 4 May, 20:55
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    Due to differences in the thickness of a peptidoglycan layer in the cell membrane between Gram positive and Gram negative bacteria, Gram positive bacteria (with a thicker peptidoglycan layer) retain crystal violet stain during the decolorization process.

    Explanation:

    I looked it up.
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