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

1 answer:

4 0

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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Which type of solution would cause a bacterium with a weak or damaged cell wall to burst as water moves into the cell?.

<u>Hypotonic</u><u> solution</u>

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