Which of the Following Is a Fundamental Difference Between Gene

Multiple Choice

Which of the following is a fundamental difference between gene regulation in bacteria compared with eukaryotes?

A) In bacteria,but not eukaryotes,there is a specific sequence that specifies where RNA polymerase binds and initiates transcription.
B) In eukaryotes,but not bacteria,transcription can be influenced by how effectively the DNA sequence of a promoter region interacts with histone octamers.
C) Transcription regulation is the most widespread form of control of gene expression in bacteria but not in eukaryotes.
D) Gene regulation is readily reversible in eukaryotes but not bacteria.