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: Pathology
Iron is taken up into enterocytes through which of the following? 
Select and explain. 
A. DMT-2, B. DMT-1, C. Ferroprotein 1, D. GLUT1
B: DMT-1
Answer: B: DMT-1 
Explanation: Ans: B. DMT-1Iron is brought into the cell through an active transpo processProtein DMT-1 (Divalent Metal Transpoer-1),Expressed on the apical surface of enterocytes in initial pa of duodenum.DMT-1 is not specific to iron & transpos other substances like zinc, copper, cobalt & manganese.