Answer the following question given this paragraph: 

Glycogen Glycogen is the energy reserve carbohydrate of animals. Practically all mammalian cells contain some stored carbohydrates in the form of glycogen, but it is especially abundant in the liver (4%–8% by weight of tissue) and in skeletal muscle cells (0.5%–1.0%). Like starch in plants, glycogen is found as granules in liver and muscle cells. When fasting, Saylor URL: http://www. saylor. org/books.


Q: What term is used to describe the energy reserve carbohydrate of animals?

 Choices:

- lactose

- fructose

- sucrose

- glycogen

A:
glycogen
