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': "Menke's Kinky hair syndrome is due to defect in \nSelect and explain. \nA. Ca transporter, B. Cu transporter, C. Zn transporter, D. Se transporter", 'role': 'user'}, {'content': "Answer: B \nExplanation: Menke's kinky hair syndrome is due to mutation in ATP7A gene, leading defective copper transporter.", 'role': 'assistant'}]