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Unformatted text preview: (b) constituent of hemoglobin and myoglobin for oxygen transfer (c) constituent of cytochrome P450s required for oxidative and reductive transformations (d) all of the above (e) none of the above True or False (1 point) 4. In response to high copper intake the translocation of ATP7B from TGN (trans golgi network) to the bile duct is increased which increases biliary Cu excretion. (a) True (b) False 5. When the bodys iron stores decrease, there is an increase in binding of the iron regulatory protein (IRP) to the iron response element (IRE) in ferritin mRNA which represses translation of the ferritin protein. (a) True (b) False 6. Transferrin saturation is a measure of storage iron. (a) True (b) False 7. Hereditary hemochromatosis is due to a mutation of the gene HFE. (a) True (b) False...
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- Spring '08