IGNOU BBCCT 101 2026 - Explain the role of nucleotides as energy carriers, componen

Question

Explain the role of nucleotides as energy carriers, components of coenzymes, and second messengers in cells.

10 Feb 2026

Answer :

Word Count : 256

Nucleotides are essential biomolecules that perform several critical functions in living cells beyond their role as building blocks of nucleic acids. One of their most important roles is acting as energy carriers. Adenosine triphosphate (ATP) is the primary energy currency of the cell. It stores energy in its high-energy phosphate bonds, and when these bonds are broken through hydrolysis, energy is released to support various cellular processes such as muscle contraction, active transport across membranes, biosynthesis of

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