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#Question id: 240


Purines and pyrimidines exist in two tautomeric forms (lactam and lactim); nucleosides exist in two conformations (syn and anti). The most common forms found in cells are

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. lactam and anti.       

  2. lactam and syn.

  3. lactim and anti.  

  4. lactim and syn.


Answer:- Option(s): 1


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#Unit 5. Developmental Biology

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