When bacterial cells stain light purple instead of dark blue-purple after a Gram stain, it suggests an issue with the cell wall affecting staining.
When bacterial cells appear light purple instead of dark blue-purple after a Gram stain, it indicates that there is something in the cell wall affecting the uptake of crystal violet, leading to improper staining. This could be due to damage to older bacterial cells' walls or issues with the staining process itself.
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