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: Microbiology
[{'content': 'Mesosomes in bacteria are the functional unit for - \nSelect and explain. \nA. Lipid storage, B. Protein synthesis, C. Respiratory enzymes, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mesosomes (chondroid)\xa0\n\nMesosomes are formed by invagination of plasma membrane into the cytoplasm.\nThey are more prominent in gram-positive bacteria.\nThey are the principal sites of respiratory enzymes in bacteria and are analogous to mitochondria of eukaryotes.\nThey coordinate nuclear and cytoplasmic division during binary fission.', 'role': 'assistant'}]