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

Question

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

14 Feb 2026

Answer :

Word Count : 263

Nucleotides are fundamental molecules of life that perform diverse and essential roles in cellular processes beyond their function as building blocks of nucleic acids. One of their primary roles is as energy carriers. Adenosine triphosphate (ATP) is the most important energy currency of the cell. It stores energy in its high-energy phosphate bonds, particularly the bond between the second and third phosphate groups. When ATP is hydrolyzed to adenosine diphosphate (ADP) or adenosine monophosphate (AMP), energy is released and utilized to drive endergonic processes

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