Gene Expression and Regulation — Prelims Questions

Which of the following statements about the *lac* operon in *E. coli* is INCORRECT?

Which of the following levels of gene regulation is unique to eukaryotes and not found in prokaryotes?

In the *lac* operon, what happens when both glucose and lactose are present in the medium?

Which of the following is NOT a mechanism of post-transcriptional gene regulation in eukaryotes?

Which of the following modifications to histones generally leads to increased gene expression?

Which of the following statements correctly describes the function of an enhancer in eukaryotic gene regulation?