Iron Response Proteins (IRPs) Are Involved in Regulating Iron Levels

question 7

Multiple Choice

Iron response proteins (IRPs) are involved in regulating iron levels in the cell through translational regulation. Which of the following statements regarding IRP regulation is untrue?

• A) IRP binds to iron
• B) Ferritin is produced when there is too much iron in the cell
• C) IRP binding prevents transferrin translation
• D) Transferrin is produced when there is too little iron in the cell
• E) IRP binds to 3' and 5' UTRs

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