Biology: Life on Earth with Physiology (11th Edition)
Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 35, Problem 2AC
Summary Introduction

To determine:

The initial hopes of scientists when leptin was discovered after they found that excess leptin in blood does not reduce hunger or food intake.

Introduction:

Leptin is a peptide secreted by fat cells, and helps to regulate fat storage in mammals. Leptin secretions increase when fat storage “increases” and “decreases” when fat storage falls down to an optimum level.

Summary Introduction

To suggest:

An evolutionary explanation for leptin’s role in fat regulation.

Introduction:

Leptin is a hormone of energy expenditure; and is formed by adipose cells that help to regulate energy balance by inhibiting hunger.

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Biology: Life on Earth with Physiology (11th Edition)

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