Final answer:
Starch is a crucial carbohydrate found in plants, serving as a storage form of glucose. Glycogen, a similar substance, is found in animals as reserve food.
Explanation:
Starch is a storage form of D-glucose in plants, found in potatoes, beans, rice, wheat, and other grains and roots. It is the carbohydrate of greatest importance in food and is abundant in plants. Glycogen is a similar substance found in animals and serves as a reserve food.
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