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': 'Which of these fatty acids is found exclusively in breast milk \nSelect and explain. \nA. Linoleic acid, B. Linolenic acid, C. Palmitic acid, D. Docosahexaenoic acid', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Docosahexaenoic acid\n\nUp to 5-10% of fatty acids in human milk are polyunsaturated. Most of these are\xa0linoleic acid with smaller amounts of linolenic acid.\nDocosahexaenoic acid is found in human milk and brain lipids and is required for the development of our nervous system and visual abilities during the first six months of life.\nLack of sufficient docosahexaenoic acid may be associated with impaired mental and visual functioning as well as attention deficit hyperactivity disorder.', 'role': 'assistant'}]