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16-12-2015
Biology

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The stained Gram-positive bacteria appear _____ under the microscope.

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MonikaMole1421 MonikaMole1421

16-12-2015

After crystal violet staining, the Gram-positive bacteria may appear dark blue or violet. The cell wall of gram positive bacteria have thick peptidoglycan layer, thus it retains the crystal violet stain compared to gram negative bacteria.

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