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JEE Main levelSingle correct optionDifficulty 2 of 3bm148

In a nucleoside, the nitrogenous base is attached to the pentose sugar through an N-glycosidic bond at which carbon of the sugar?

  1. AC2
  2. BC1
  3. CC3
  4. DC5

Answer: B

The base is joined at C1 of ribose or deoxyribose. C5 carries the phosphate in a nucleotide and C3 forms the phosphodiester link.
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