What Is the Primary Mechanism by Which Eukaryotes Control Transcription

Multiple Choice

What is the primary mechanism by which eukaryotes control transcription during cellular differentiation?

A) regulatory transcription factors that influence chromatin structure and bind to regulatory regions
B) production of microRNAs to disable mRNAs that should not be expressed
C) post-translational control of proteins through ubiquitination and phosphorylation
D) alternative splicing of genes in different tissue types
E) inhibition of RNA polymerase through the expression of inhibitory enzymes