Principles of Anatomy and Physiology 14e with Atlas of the Skeleton Set (14th Edition)

Published by Wiley
ISBN 10: 1-11877-456-6
ISBN 13: 978-1-11877-456-4

Chapter 2 - The Chemical Level of Organization - Figure 2.17 - Page 46: 1

Answer

The oxygen atom in fatty acid dehydration synthesis comes from a fatty acid and not from glycerol

Work Step by Step

In fatty acid dehydration synthesis, one hydrogen (H+) is removed from glycerol and a hydroxyl (OH-) ion is removed from a fatty acid. These two are joined to form water (H plus OH), H2O, which is eliminated from the new compound molecules.. So the oxygen is derived from a fatty acid molecule.
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