LSU NUTRITION 1110 How do high intakes of zinc affect copper absorption?
How do high intakes of zinc affect copper absorption? a. High zinc intake inhibits the synthesis of the protein metallothionein in the mucosal cells. b. Metallothionein binds zinc more tightly than it binds copper. c. Excess zinc in the diet stimulates the production of a protein that binds copper. d. Metallothionein binds copper, preventing it from being released into the blood.
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