1. Enzymes

2. Introduction Enzymes = organic molecules act as catalysts – Type of protein Catalyst = reduce amount of activation energy needed for reaction Different type of enzyme = different chemical reaction

3. Structure Function depends on structure Enzyme Substrate Active Site Product

4. Lock and Key Model Substrate can attach to specific enzyme shape – Causes reaction

5. Other Words ending in –ase = enzyme – Amylase = in mouth breaking down carbohydrates – Lipase = in pancreas breaking down lipids – Protease – in stomach breaks down proteins