Anatomy & Physiology: The Unity of Form and Function, 7th Edition

Published by McGraw-Hill Education
ISBN 10: 0073403717
ISBN 13: 978-0-07340-371-7

Chapter 2 - The Chemistry of Life - Study Guide - Testing Your Recall - Page 75: 17

Answer

phospholipids

Work Step by Step

The amphipathic lipids of cell membranes are called phospholipids. While lipids are hydrophobic, with phospholipids, one fatty acid chain is replaced by a hydrophilic phosphate group. This causes two ends to the phospholipid- a hydrophilic phosphate group and two hydrophobic fatty acid tails. This combination causes the phospholipid to be amphipathic.
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