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Molecular Basis of Inheritance — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYMolecular Basis of Inheritance2 Marks
Question
Answer the questions based on the dinucleotide structure shown below.
  1. Name the type of sugar guanine base is attached to.
  2. Name the linkage connecting the two nucleotides.
  3. Identify the 3 end of the dinucleotide. Give a reason for your answer.
✓

Answer

  1. Deoxyribose.
  2. Two nucleotides are linked through 3' → 5' phosphodiester linkage to form a dinucleotide.
  3. B is 3' end, here the sugar has a free 3' OH group.

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