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Welcome to eGyanKosh’s dedicated section for Unit-4: Proteins, designed specifically for IGNOU students in 2025. This comprehensive study material offers an in-depth exploration of proteins, their structures, functions, and significance in biological processes. By providing easy access to expertly crafted resources, eGyanKosh aims to enhance your understanding of this fundamental biomolecule, making your learning experience more effective and enjoyable. Whether you’re preparing for exams or seeking to deepen your knowledge, our free downloadable materials are here to support your academic journey in the fascinating world of proteins. Dive in and unlock the key to mastering this essential topic!