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': 'All are true about Entamoeba Histolytica except -a) Cyst are 8 nucleatedb) Cyst are 4 nucleatedc) Trophozoites colonise in the colond) The chromatid bodies are stained by Iodides \nSelect and explain. \nA. b, B. c, C. ac, D. ad', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Cyst of E. histolytical is quadrinucleate (4 nuclei)\nChromatid bodies do not stain with iodine but are seen as refractile oblong bars with rounded ends in preprations with normal saline and as black when stained with iron-haematoxylin.\n\n\nTrophozoites colonize cecum and ascending colon, sigmoid colon, rectum and appendix in order of frequency.', 'role': 'assistant'}]