Multiple choice

Which of the following dyes is used for cell cycle determination?

  1. Acridine orange

  2. Acridine yellow

  3. Alizarin

  4. Anthrapurpurin
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A Correct answer
Explanation

Acridine orange is a nucleic acid selective fluorescent cationic dye useful for cell cycle determination. It is cell-permeable, and interacts with DNA and RNA by intercalation or electrostatic attractions.

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