This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Enzymes, Subject name: Biochemistry
[{'content': 'Enzymes act by reducing the \nSelect and explain. \nA. Activation energy, B. Binding energy, C. Heat energy, D. Covalent energy', 'role': 'user'}, {'content': 'Answer: A \nExplanation: "All enzymes accelerate reaction rates by lowering activation energy for the formation of transition states."Activation energy is the minimum energy required to sta a chemical reaction.Harper 30th edition pg: 77', 'role': 'assistant'}]