To Function as a Repressor-Binding Site, the Iron Response Element

Multiple Choice

To function as a repressor-binding site, the iron response element (IRE) must be within the first 70 nucleotides of the ferritin mRNA. This suggests that protein binding to this IRE

A) regulates message degradation.
B) interferes with the 5ʹ cap binding to the ribosome.
C) blocks the translation start site.
D) inhibits the binding of eEF2.