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JEE Advanced levelOne or more correct optionsDifficulty 3 of 3bm272

Which of the following statements about the compound shown is/are correct?

  1. AIt is a nucleotide.
  2. BIts base is a purine.
  3. CIts sugar has no OH group at C-2'.
  4. DThe phosphate is esterified to C-5' of the sugar.

Answer: A, C, D

The molecule is a nucleoside carrying a phosphate group, so it is a nucleotide: thymidine 5'-monophosphate. The phosphate sits on the CH2 (C-5') carbon. The sugar is 2-deoxyribose (CH2 at C-2'). The base, thymine, is a pyrimidine, not a purine.
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