Does not have to be in a formal format. It will be copied and pasted onto a discussion post, so no title page or anything is required either. There is no required length for the post, but the questions need to be answered thoroughly with detail. THANKS! QUESTION: Research catalysts and how they work. On the basis of your research, respond to the following:

• Identify the two important classes of catalysts and describe the difference between each.
• Choose a catalyst that exists in the human body. Explain its importance and how it works.
• Analyze the chemical reactions that take place when a biological catalyst combines with a reactant (substrate) to form an unstable intermediate.