Respuesta :
Nucleic acid presence is assessed using the (Dische) Diphenylamine Test in biomolecules. A transparent solution will turn blue when DNA is present. The color gets darker the more DNA is present. RNA, another nucleic acid, will change color.
Biomolecules, also known as biological molecules, refer to a wide range of compounds that are created by living things such as cells. Biomolecules come in a wide variety of shapes and sizes and serve a wide range of purposes. Proteins, lipids, nucleic acids, and carbohydrates are the four main categories of biomolecules. The presence of the nitrate ion can be detected via a wet chemical test using diphenylamine. Diphenylamine and ammonium chloride are dissolved in sulfuric acid for this test. Diphenylamine is oxidized and turns blue when nitrates are present. The gunshot residue assays that identify nitroglycerine and nitrocellulose have employed this reaction to screen for organic nitrates as well.
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