Which of the Following Is an Example of Regulation of Eukaryotic

Multiple Choice

Which of the following is an example of regulation of eukaryotic transcription?

A) Iron binding the repressor protein for the ferritin mRNA and increasing ferritin expression
B) Proteostome breakdown of protein-ubiquitin complexes
C) MicroRNAs binding their target mRNA and causing its degradation
D) Alternate splicing of an mRNA transcript
E) Activator proteins binding an enhancer