Material Detail

The lac Operon

The lac Operon

This animation examines how the concentration levels of lactose determine when the expression of the lac operon lactose-metabolizing genes is turned on or off. This animation includes a step-through video with a transcript of the animation and a narrated version of the animation. There is also a concluding tab and a quiz section that asks three questions relating to the lac operon animation. 



  • Editor Reviews
  • User Rating
  • Comments
  • Learning Exercises
  • Bookmark Collections
  • Course ePortfolios
  • Accessibility Info

More about this material


Log in to participate in the discussions or sign up if you are not already a MERLOT member.