Question:

Basic dyes are used in microbiological staining. Which of the following statement is wrong about mechanism of staining?

Updated On: Oct 9, 2024
  • The positive ions on the surface of bacteria form a coloured complex with the dye
  • Ionic exchange between the negative charge on the bacteria and positive charge of dye takes place
  • Ionic exchange between the positive charge on the bacteria and negative charge of dye takes place
  • The neutral charge on the surface of bacteria forms a coloured complex with the basic dye
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The Correct Option is D

Solution and Explanation

The correct option is (D): The neutral charge on the surface of bacteria forms a coloured complex with the basic dye
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