Question

Carbohydrates, such as glucose, are excellent sources of immediate energy for living organisms. More complex carbohydrates, such as glycogen and starch, can also be used for the long term storage of energy. However, carbohydrates play other vital roles, too. Which of the following describes another common use for carbohydrates?

Answer 1

You can also use sulfur I think but I am not sure

Answer 2

Cellulose is used as a structural component in plant cell walls.

Step-by-step explanation:

In addition to being an energy source for living organisms, carbohydrates play a structural role, as well. Cellulose, for example, is a carbohydrate found in plant cell walls.

Keratin, collagen, and enzymes are all examples of proteins, not carbohydrates.