Which of the following statements regarding cellulose is true?

A) Cellulose can be digested by human digestive enzymes.
B) Cellulose provides fiber or "roughage."
C) Cellulose is another name for glucose.
D) Cellulose is one of the units of a sucrose molecule.
E) Cellulose is a source of energy.

Cellulose

A complex carbohydrate, and major component of plant cell walls, that provides structural support to plants.

Digestive Enzymes

Proteins secreted by the digestive tract that catalyze the breakdown of food into smaller absorbable components.

Roughage

Dietary fiber found in fruits, vegetables, and whole grains that aids in digestion and prevents constipation.