The Feulgen reaction is a special test for:

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(B) The Feulgen reaction is a staining technique used in histology to identify chromosomal material or $DNA$ in cell nuclei.It relies on the acid hydr

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$DNA$

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(B) The Feulgen reaction is a staining technique used in histology to identify chromosomal material or $DNA$ in cell nuclei.It relies on the acid hydrolysis of $DNA$,which exposes aldehyde groups on the deoxyribose sugar.These aldehyde groups then react with Schiff's reagent to produce a distinct magenta or purple color,specifically indicating the presence of $DNA$.

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