Slide 1: 1. Introduction to Proteins. Slide 2: 1. Introduction to Proteins (Cont.). Slide 3: 2. Classification by Composition. Slide 4: 3. Classification by Shape and Structure. Slide 5: 3. Classification by Shape: Fibrous Proteins. Slide 6: 3. Classification by Shape: Globular Proteins. Slide 7: 4. Classification by Function. Slide 8: 4. Classification by Function: Enzymes. Slide 9: 4. Classification by Function: Transport Proteins. Slide 10: 5. Conclusion and Key Takeaways. Slide 11: 5. Conclusion and Key Takeaways (Cont.). Slide 12: 6. References