NCERT · Class 12 · Biology · Biotechnology: Principles and ProcessesThe staining dye used to visualize DNA fragments in an agarose gel under UV light is:
Step-by-Step Solution
Ethidium bromide is the fluorescent dye commonly used to stain nucleic acids in agarose gels, which allows DNA fragments to be visualized under ultraviolet (UV) light as orange-colored bands.
Detailed Options Breakdown
Option : Acetocarmine
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.
Option 1: Methylene blue
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.
Option 2: Ethidium bromide (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 3: Safranin
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Biotechnology: Principles and Processes.
💡 Study Guide: This question tests core syllabus concepts from Biotechnology: Principles and Processes. For formulas, key summaries, and mock exam reference guides, read the full Biotechnology: Principles and Processes Revision Notes.