Question Detail
Question
Which fungal stain is noted for coloring fungal cell walls brown to black but cannot differentiate between live and dead material?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Page 35, under 'STAINS FOR FUNGI AND YEAST', states 'Grocott's methenamine silver stain - this colours fungal cell walls brown to black, but cannot distinguish between live or dead material.'
Hint
This stain is useful for overall visualization but lacks viability information.