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: Biochemistry
[{'content': 'Prostaglandins are \nSelect and explain. \nA. Monounsaturated fatty acids, B. Polyunsaturated fatty acids, C. Eicosanoids, D. Saturated fatty acids', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Unsaturated Fatty Acids Contain One or More Double Bonds\nUnsaturated\xa0fatty\xa0acids may be further subdivided as follows:\n\nMonounsaturated\xa0(monoethenoid,\xa0monoenoic)\xa0acids, containing one double bond.\nPolyunsaturated\xa0 (polyethenoid,\xa0 polyenoic)\xa0 acids,\xa0 containing two or more double bonds.\nEicosanoids:\xa0These\xa0compounds, derived\xa0from\xa0eicosa (20-carbon) polyenoic fatty acids, comprise the prostanoids, leukotrienes (LTs), and lipoxins (LXs).\xa0\n\nProstanoids include prostaglandins (PGs), prostacyclins (PGIs), and thromboxanes (TXs).\nHARPERS ILLUSTRATED BIOCHEMISTRY30th ed, Page No:213', 'role': 'assistant'}]