2024 Re-NEET BiomoleculesNucleosides and nucleotides Medium Question 16 of 107 in Biomolecules

Which of the following is a nucleotide?

A Uridine
B Adenylic acid
C Guanine
D Guanosine

The answer is B.

Solution

A nucleotide is formed of a nitrogenous base + sugar + phosphate. Adenylic acid (a phosphate ester of adenosine) is a nucleotide. Uridine and Guanosine are nucleosides (base + sugar, no phosphate), and Guanine is a nitrogenous base alone.

Concept Nucleosides and nucleotides

Biomolecules in past papers

107 questions from this chapter have appeared across 26 exam years.