what are anionic dyes repelled by? - Answer: the negative charge of the bacterial cell, the background of
the cell is dyed
what is an example of an anionic dye? - Answer: nigrosin
negative stain - Answer: - uses an anionic dye, so the stain does not penetrate the cell
- the cells are repelled by the negatively charged dye and have transparent cells against a colored
background
what is a negative stain good for? - Answer: examining morphology and size of bacterial cells because
heat is not used, so distortion of the bacterial cells is minimized
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