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Nutrition: Concepts and Controvers...

14th Edition
Frances Sizer + 1 other
ISBN: 9781305627994

Solutions

Chapter
Section
BuyFindarrow_forward

Nutrition: Concepts and Controvers...

14th Edition
Frances Sizer + 1 other
ISBN: 9781305627994
Textbook Problem

When energy from food is in short supply the body

  1. dismantles its glycogen and releases triglycerides for energy.
  2. dismantles its cholesterol and releases glucose for energy.
  3. converts its glucose to fat for more efficient energy.
  4. dismantles its stored triglycerides and releases fatty acids for energy.

Summary Introduction

Introduction:

Body needs energy to perform its normal functioning. Body process the food we take and convert it into energy by various methods and stores excess amount for the future. When the food supply becomes short or insufficient to meet the energy requirements, the body utilizes stored energy.

Explanation

Justification for correct answer:

Option (d) given as “Dismantles its stored triglycerides and releases fatty acids for energy” is the correct answer because triglycerides are lipids which body stores in fat cells. When there is a lack of food supply, the body breaks down triglycerides and gets fatty acid with the help of hormone glucagon. Fatty acids then transported into mitochondria gets converted into energy.

Justification for incorrect answers:

Option (a) given as “dismantles its glycogen and releases triglycerides for energy”. The glycogen dismantles into glucose, not into triglycerides...

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