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: Pathology
[{'content': 'Intracellular calcification begin in the- \nSelect and explain. \nA. Mitochondria, B. Endoplasmic reticulum, C. Golgi bodies, D. Intracellular vocuoles', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Mitochondria", 'role': 'assistant'}]