Biology · Gram Staining Technique
What is the primary reason dilute basic fuchsin is often preferred over safranin as a counterstain for certain Gram-negative bacteria?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Safranin stains both Gram-positive and Gram-negative bacteria equally
- 2Basic fuchsin provides a more intense stain for weakly staining Gram-negative organisms✓
- 3Basic fuchsin is the only counterstain approved for clinical use
- 4Basic fuchsin is less expensive than safranin
Correct answer
Basic fuchsin provides a more intense stain for weakly staining Gram-negative organisms
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