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What is the stored form of starch in animals known as?

  1. Cellulose

  2. Glycogen

  3. Starch

  4. Chitin

The correct answer is: Glycogen

The stored form of starch in animals is known as glycogen. Glycogen serves as a form of energy storage, primarily found in the liver and muscle tissues. It consists of long chains of glucose molecules that can be quickly mobilized to meet energy demands when necessary. This is especially important during periods of high energy expenditure, such as exercise or fasting. In contrast, cellulose is a complex carbohydrate found in plant cell walls and is not utilized for energy storage in animals. Starch is the storage form of carbohydrate in plants, and chitin is a structural component found in the exoskeletons of arthropods and the cell walls of fungi. Understanding these differences underscores the significance of glycogen as the key energy reserve in animals.