1. Please briefly describe what is chemiosmosis and how the formation of ATP via ATP synthase in mitochondria occurs (5 points).

3. The thermodynamics of protein folding is a very interesting concept to understand. A. Does entropy increase or decrease when proteins fold and why? (3 points) B. Based on your answer in A, do you think protein folding follows or violates the thermodynamics law and why? (3 points)