Biology 12th Edition

Published by McGraw-Hill Education
ISBN 10: 0078024269
ISBN 13: 978-0-07802-426-9

Chapter 13 - Regulation of Gene Expression - Assess - Page 243: 2

Answer

A

Work Step by Step

Tryptophan acts as a co-repressor since it binds to a repressor protein to change its shape in order to prevent the further synthesis of the amino acid. In this case, tryptophan inhibits the transcription of the structural gene when the repressor is bonded with the operator.
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.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions