Slide 1: Slide 1: Title Slide. Slide 2: Slide 2: What are Proteins?. Slide 3: Slide 3: Essential Roles of Proteins. Slide 4: Slide 4: Importance of Protein Classification. Slide 5: Slide 5: Classification Based on Composition. Slide 6: Slide 6: Simple Proteins. Slide 7: Slide 7: Conjugated Proteins. Slide 8: Slide 8: Lipoproteins - Composition & Clinical Relevance. Slide 9: Slide 9: Glycoproteins - Composition & Function. Slide 10: Slide 10: Classification Based on Shape and Structure. Slide 11: Slide 11: Fibrous Proteins - Structure and Examples. Slide 12: Slide 12: Globular Proteins - Structure and Function. Slide 13: Slide 13: Levels of Protein Structure. Slide 14: Slide 14: Primary Structure - Amino Acid Sequence. Slide 15: Slide 15: Secondary Structure - Alpha-Helix & Beta-Sheet. Slide 16: Slide 16: Tertiary & Quaternary Structure - 3D Fold. Slide 17: Slide 17: Classification Based on Function. Slide 18: Slide 18: Enzymes - Biological Catalysts. Slide 19: Slide 19: Structural Proteins - Support & Framework. Slide 20: Slide 20: Transport Proteins - Molecular Carriers. Slide 21: Slide 21: Regulatory Proteins - Cellular Control. Slide 22: Slide 22: Protective Proteins - Defense & Immunity. Slide 23: Slide 23: Other Functional Categories. Slide 24: Slide 24: Conclusion - Recap of Protein Classification. Slide 25: Slide 25: Key Takeaways & Clinical Relevance