Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 11 - 11.4 - Concept Check: 3

Answer

Phosphatases turn off kinase-based signalling by removing the phosphates which kinases add to proteins, so a disease caused by a defective phosphatase would be due to overactive/always-on cell signalling.

Work Step by Step

The key here is to review earlier parts of the chapter and see the antagonistic roles of kinases and phosphatases.
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