Characteristic	Bacterial Gene Control	Eukaryotic Gene Control
Levels of regulation	Primarily transcription	Many levels
Cascades of gene regulation	Present	Present
DNA binding proteins	Important	Important
Role of chromatin structure	Absent	Important
Presence of operons	Common	Uncommon
Negative and positive control	Present	Present
Initiation of transcription	Relatively simple	Relatively complex
Enhancers	Less common	More common
Transcription and translation	Occur simultaneously	Occur separately
Regulation by small RNAs	Rare	Common