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
Menke's Kinky hair syndrome is due to defect in 
Select and explain. 
A. Ca transporter, B. Cu transporter, C. Zn transporter, D. Se transporter
B: Cu transporter
Answer: B: Cu transporter 
Explanation: Menke's kinky hair syndrome is due to mutation in ATP7A gene, leading defective copper transporter.