This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: parasitology, Subject name: Microbiology
[{'content': 'Obligate intracellular parasite among the following is \nSelect and explain. \nA. Naegleria fowleri, B. Acanthamoeba, C. Toxoplasma, D. Balamuthia', 'role': 'user'}, {'content': "Answer: C \nExplanation: Obligate intracellular parasites cannot reproduce outside their host cell, meaning that the parasite's reproduction is entirely reliant on intracellular resources. Toxoplasma,Cryptosporidium Bacteria-chlamydia ,Rickettsia", 'role': 'assistant'}]