Exam Prep for General Biology | Channels for Pearson+

Skip to main content

My Courses

AI Tools Channels Home

16. Regulation of Expression - Part 1 of 2

16. Regulation of Expression - Part 1 of 2

16. Regulation of Expression / The Lac Operon / Problem 6

Cells want to express lac operons only when needed because

A

its products are toxic to the cell.

B

transcription and translation require a lot of energy.

C

the genes involved are rare.

D

the repressor protein is difficult to produce.

Was this helpful?

Learn this concept