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: Ophthalmology
[{'content': 'Metabolically active layer of cornea is –a) Endotheliumb) Stromac) Descemet membrane d) Epithelium \nSelect and explain. \nA. b, B. c, C. ad, D. ab', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The most actively metabolizing layers of the cornea are epithelium and endothelium.', 'role': 'assistant'}]