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#Question id: 270


 Which is not a difference between RNA and DNA?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. The sugar ring of RNA is more oxidized than that in DNA.

  2. RNA contains uracil; DNA usually does not.

  3. RNA cannot form helices.

  4. RNA is single-stranded; DNA is double-stranded.


Answer:- Option(s): 3


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