Biology (11th Edition)

Published by McGraw-Hill Education
ISBN 10: 1-25918-813-2
ISBN 13: 978-1-25918-813-8

Chapter 9 - Cell Communication - Review Questions - Apply: 4

Answer

D.

Work Step by Step

C. is wrong since active G proteins all have GTP bound to them (so B. is true). A. is also true--G proteins tend to hydrolyze the GTP bound to the (GTPase activity). Since A. and B. are true, D. is also true and the best answer.
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