Chapter 2 - The Chemistry of Biology - Critical Thinking Questions - Bloom's Levels 3, 4, and 5: Apply, Analyze, and Evaluate - Page 53: 6

Although cellulose is a carbohydrate, it has beta linkages, which are stronger than alpha linkages found in starch. Human enzymes are strong enough to digest starches, but they do not have enzymes which can digest cellulose.

See answer.