why-are-positively-charged-basic-dyes-more-effective-in-staining-bacterial-cells

Question

Why are positively charged basic dyes more effective in staining bacterial cells compared to negatively charged acidic dyes?

Accepted Answer

Bacterial cells have negatively charged surfaces that attract positively charged basic dyes.

Answer

Basic dyes are smaller molecules and can penetrate cell walls more easily.

Answer

Positively charged basic dyes react chemically with the DNA of bacteria.

Answer

Negatively charged acidic dyes dissolve in the bacterial cell membrane.