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Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332

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Chapter
Section
BuyFindarrow_forward

Biology: The Unity and Diversity o...

15th Edition
Cecie Starr + 3 others
ISBN: 9781337408332
Textbook Problem

Your body's main energy reservoir is _______.

  1. a. glycogen stored in cardiac muscle
  2. b. lipids stored in adipose tissue
  3. c. starch stored in skeletal muscle
  4. d. phosphorus stored in bone

Summary Introduction

Introduction: Macronutrients like carbohydrates, fats, and proteins are the major three sources of energy. The carbohydrates provide energy for muscles and brain by breaking down into glucose. The carbohydrates constitute about 45-65% of energy (or calories); fats constitute 20-35% of energy; and protein constitutes about 10-20% of energy.

Explanation

Reason for correct answer:

Adipose tissues are the specialized connective tissues that are made up of adipocytes that are specialized in the fatty acid storage as triglycerides. One of the main sources of energy in our body is fat that are stored in adipocytes. The adipose tissue can act as thermal insulators and can provide padding. Some of the adipose tissue is rich in brown fat cells that consist of nucleus and many small lipid droplets present in the cytoplasm. They also contain specialized mitochondria that help to burn the lipids in order to produce the heat rather than ATP.

Option b. is given as “lipids stored in adipose tissue”.

Adipose tissues are the specialized connective tissues that are made up of adipocytes. One of the main sources of energy in our body is fat that is stored in adipocytes.

Hence, the correct answer is option b.

Reason for incorrect answer:

Option a. is given as “glycogen stored in cardiac muscle”...

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