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JIPMER 2012
Exam
JIPMER
Year
2012
Subject
Botany
Chapter
Biomolecules (B)

JIPMER 2012 · Botany · Biomolecules (B)

Nucleotides are formed by

Nucleotides are formed by

Options

  1. Apurine, sugar and phosphate
  2. Bpurine, pyrimidine and phosphate
  3. Cpurine, pyrimidine, sugar and phosphate
  4. Dpyrimidine, sugar and phosphate

Correct answer

C. purine, pyrimidine, sugar and phosphate

Step-by-step solution

The nucleotide is formed by the union of a phosphate group with a nucleoside. A nucleoside infact contains a sugar molecule alongwith an organic nitrogenous base. Thus, a nucleotide contains an organic nitrogenous base (purine or pyrimidine) alongwith a sugar molecule and a phosphate group, i.e., Nucleoside = Sugar molecule + organic nitrogenous base.
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