NEET Previous Year Question
DNA strands on a gel stained with ethidium bromide when viewed under UV radiation, appear as:
Topic: NEET PYQ
Answer: A. Full step-by-step solution below.
- ABright orange bands
- BDark red bands
- CBright blue bands
- DYellow bands
Correct answer: A
Solution
(a) After gel electrophoresis, the fragments of DNA that are separated can be seen under the exposure of UV radiation after staining it with ethidium bromide. This imparts bright orange colour to the fragments.More Biotechnology: Principles & Processes PYQs
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