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The fluorescent dye such Ethidium is used for visualizing DNA. How do ethidium binds to DNA?

September 23, 2022
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The fluorescent dye such Ethidium is used for visualizing DNA. How do ethidium binds to DNA?

Q. The fluorescent dye such Ethidium is used for visualizing DNA. How do ethidium binds to DNA?

  1. Stacked between histone molecules
  2. Binds to the nucleotide base
  3. Intercalated between the stacked bases
  4. Binds to the phosphodiester backbone

Answer: Intercalated between the stacked bases

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