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Simple Staining

9. Microscopes / Simple Staining / Problem 2

Which of the following statements about bacteria is true and should be considered in simple staining?

A

The cytoplasm of bacteria is acidic

B

The cell wall of gram-positive bacteria is resistant to simple dye

C

The inside charge of a bacterial cell is negative with respect to the outside

D

Simple stains cannot detect gram-negative bacteria

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