This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'Energy producing enzymes are located in \nSelect and explain. \nA. Rough endoplasmic reticulum, B. Ribosomes, C. Golgi apparatus, D. Mitochondria', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In mitochondria, enzymes for energy metabolism and protein synthesis can be found.', 'role': 'assistant'}]