Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 3 - Cells: The Living Units - Review Questions - Page 114: 2


(a) cholesterol (c) phospholipids

Work Step by Step

Cell membranes are primarily composed of phospholipids. Indeed, cell membranes are described as a phospholipid bilayer. Cholesterol is another important component of cell membranes because it increases the fluidity of the membrane. Triglycerides and fat-soluble vitamins are not components of cell membranes.
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