Campbell Biology (11th Edition)

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

Chapter 7 - Test Your Understanding - Level 1 - Knowledge/Comprehension - Page 142: 1


B. Certain proteins are unique to each membrane.

Work Step by Step

The different membranes (such as plasma membrane, ER membrane, etc.) perform different critical functions which are performed by different proteins (solution B). All membranes are semipermeable and made of amphipathic molecules and include phospholipids, making A., C. and D. false.
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