How Does Gene Regulation Differ Between Prokaryotes and Multicellular Eukaryotes

Multiple Choice

How does gene regulation differ between prokaryotes and multicellular eukaryotes?

A) Different cells vary in the types and number of genes they express in eukaryotes but not in prokaryotes.
B) Protein-DNA interactions occur only in eukaryotes.
C) Protein-DNA interactions occur only in prokaryotes.
D) Cell-specific gene expression and protein-DNA interactions both occur only in eukaryotes.
E) Cell-specific gene expression and protein-DNA interactions both occur only in prokaryotes.