Enzymes & the Lock and Key Theory Explained! 🧬✨ Struggling to understand how enzymes work? In this video, we break down the lock and key theory, showing you exactly how enzymes and substrates fit together to carry out essential reactions in living organisms. 🔍 What you'll learn: ✔️ What enzymes are and why they are biological catalysts ✔️ The lock and key model and how substrates fit into the active site ✔️ The importance of enzyme specificity ✔️ How temperature and pH affect enzyme activity ✔