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#Question id: 690


Which of the following pairs of bonds within a peptide backbone show free rotation around both bonds?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. C—C and N—C

  2. C=O and N—C

  3. C=O and N—C

  4. N—C and C—C


Answer:- Option(s): 1


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