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HT Histotechnician

Category - Staining

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Which among the following is a group of a metachromatic dye?

Thizine
Triphenylmethane
Both A and B
Neither A nor B

Explanation

Answer: C - Both A and B
Metachromatic dyes are basic dyes belonging to Thizine and Triphenylmethane groups. All metachromatic dyes are cations or basic, whose peculiar staining property depends upon their tendency to polymerize. Therefore, both A and B are correct.

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