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#Question id: 264


Supercoiling of pure circular DNA is a result of ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. underwinding or overwinding of the helix

  2. entanglements because of the long length of the strands

  3. the lack of associated histones

  4. the activity of exonucleases


Answer:- Option(s): 1


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