Answer: Cellulose
Notes: Cellulose is the most abundant organic compound on Earth, being a major component in the cell walls of plants. This complex carbohydrate provides structure and support for the plant and is indigestible to humans. Nonetheless, it is an important dietary element known as dietary fiber. It is notable for its role in the paper, textile, and food industries, and for its potential use in renewable energy sources like biofuels.
