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': 'Which myxovirus does not have hemagglutinin and neuraminidase but have membrane fusion protein - \nSelect and explain. \nA. Measles, B. Parainfluenza, C. RSV, D. Influenza', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., RSV RSV does not posses hemagglutinin or neuraminidase. The viral envelope has two glycoproteins? i) G protein - By which virus attaches to cell surface ii) F- protein ( Fusion protein ) - which bring about fusion between viral and host cell membranes. It is also responsible for cell to cell fusion, which leads to characteristic syncytial formation.", 'role': 'assistant'}]