Life: The Science of Biology 11th Edition

Published by W. H. Freeman
ISBN 10: 1-31901-016-4
ISBN 13: 978-1-31901-016-4

Chapter 50 - Nutrition, Digestion, and Absorption - 50.4 - Nutrient Availability Is COntrolled and Regulated - 50.4 Recap - Learning Outcomes - Page 1089: 3

Answer

The protein leptin is secreted by fat cells depending on their lipid content. Leptin was determined to cause satiety since mice that had the recessive, non-expressive version of the gene developed obesity. Animals that secrete the normal form of leptin will reach satiety after a meal and will cease to eat more.

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