Which of the following about the differences between the prokaryotic and eukaryotic genes are true?

• A. Prokaryotic genes are large, polycistronic and contain enhancers
• B. Eukaryotic genes are large, polycistronic and contain enhancers
• C. Prokaryotic genes are large, monocistronic and contain introns
• D. Eukaryotic genes are large, monocistronic and contain introns