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Welcome to eGyanKosh’s comprehensive study material for Unit-3 of Biomolecules-I, focusing on the essential topics of carbohydrates, lipids, and nucleic acids. Designed for aspiring students of the Indira Gandhi National Open University (IGNOU) in 2025, this resource offers a detailed exploration of the fundamental biomolecules that play crucial roles in biological processes. Our free downloadable materials provide in-depth explanations, diagrams, and examples to enhance your understanding and aid in your academic journey. Dive into the fascinating world of biomolecules with eGyanKosh and equip yourself with the knowledge needed for success in your studies.