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 of the following is a Diploid cell Line? \nSelect and explain. \nA. HeLa, B. Hep2, C. Chick embryo cell line, D. WI - 38', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Primary cell Line - Chick embryo cell line, Rhesus monkey kidney cell line.\nDiploid cell Line - Human fibroblast cell line or WI - 38\nContinuous cell line - HeLa, Hep2, BHK, Mcoy.', 'role': 'assistant'}]