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': 'Which among the following is acid fast? \nSelect and explain. \nA. Entamoeba histolytica, B. Giardia Iambiia, C. Cryptosporidium oocyst, D. Microsporidia', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans : c) Cryptosporidium oocystAcid last structures:Nocardiaisosporasmegma bacillimycobacteriumlegionellamicoadispermatic headbacterial spores rhodococcusCryptosporidium cystAcid fast staining was discovered by Ehrlich. Modified by Ziehl & Neelson Acid fastness is a property of lipids & it also depends on the integrity of cellwall.', 'role': 'assistant'}]