In the Presence of Low Intracellular Iron,the Binding of Iron

question 85

Multiple Choice

In the presence of low intracellular iron,the binding of iron regulatory protein (IRP) to iron response elements (IREs) present on the ferritin mRNA ____.

• A)results in a decrease in ferritin abundance
• B)results in an increase in ferritin abundance
• C)occurs only when intracellular iron concentrations are high
• D)does not occur

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