The Cell Responds to an Influx of Toxic Iron By

Multiple Choice

The cell responds to an influx of toxic iron by:

A) transcription of the ferritin gene to make new ferritin mRNA
B) splicing of stored ferritin pre-mRNA to produce new ferritin mRNA.
C) stabilizing the ferritin protein against proteolytic degradation.
D) derepressing the translation of ferritin mRNA.
E) converting an inactive form of ferritin to an active, iron-binding form.