Question
Iron is taken up into enterocytes through which of the following?
A. DMT-2
B. DMT-1
C. Ferroprotein 1
D. GLUT1
Show Answer
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Correct Answer » B
Explanation
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Ans: B. DMT-1
Iron is brought into the cell through an active transport process
Protein DMT-1 (Divalent Metal Transporter-1),
Expressed on the apical surface of enterocytes in initial part of duodenum.
DMT-1 is not specific to iron & transports other substances like zinc, copper, cobalt & manganese.
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