Campbell Biology (11th Edition)

Published by Pearson
ISBN 10: 0-13409-341-0
ISBN 13: 978-0-13409-341-3

Chapter 18 - 18.1 - Concept Check - Page 368: 3


If active repressor cannot bind, it would be as if lactose was always present. This means that the lac operon would always be expressed, leading to constitutively high levels of B-galactosidase.

Work Step by Step

This shows how a mutation can mimic a biochemical signal since the biochemical signal is usually mediated through a genetic system.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.