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 25 - Metabolism and Nutrition - Figure 25.15 - Page 957: 1

Answer

Energy can be obtained from amino acids by hepatocytes-- and other cells of the body -- through the processes of the Krebs cycle. However, before amino acids can enter the Krebs cycle, they must be deaminated, that is, their amino groups must be removed

Work Step by Step

The waste product from deamination is ammonia (NH3). Ammonia is very toxic, but hepatocytes transform ammonia into urea, a harmless substance. Urea is excreted in urine.
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