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Debora [2.8K]
4 years ago
12

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

Biology
1 answer:
jolli1 [7]4 years ago
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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