Multiple choice

In electrophoresis of DNA molecules, UV illumination of the gel fluoresce the __________ intercalated between the DNA base pairs.

  1. acridine orange

  2. ethidium bromide

  3. uranyl acetate

  4. feulgen stain

  5. polyacrylamide gel
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ethidium bromide is the most commonly used dye for DNA and RNA detection in gels. Ethidium bromide is a DNA intercalating agent, inserting itself between the base pairs.

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