HELP INDEX NEXT UP PREVIOUS FEEDBACK ATG Polysaccharides 2
Cellulose forms the cell walls in plant cells. Cotton is cellulose. Even though starch and cotton are polysaccharides, humans cannot eat cotton. This is due to the 3D structure of cellulose. Humans don't have the enzymes to break apart the cellulose molecule. The enzymes of the bacteria that live in the intestinal tracts of cows, deer, and other animals can break down cellulose, so these animals eat cellulose and convert it into products they can digest. [LM] {MM}
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