In basic dyes which of the following group is present?
Correct answer: D. -NH2
- A. -NO2
- B. -SO3OH
- C. -OH
- D. -NH2
Explanation
Basic dyes such as Methylene Blue, Crystal Violet have -NH2 group. These are very powerfull dyes and used to colour wool, silk, cotton etc.
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The chapter covers water's polarity and biological roles, carbohydrates, lipids, proteins and nucleic acids, including their monomers, bonds, structures and functions. It also distinguishes RNA from DNA and explains conjugated molecules such as glycoproteins, glycolipids and nucleoproteins, which combine organic molecules with a non-protein component.
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