"Comparison of Starch and Cellulose. Both starches and cellulose are carbohydrates <span>which are classified as polysaccharides since they are composed of chains of glucose </span>molecules. While they are similar, starches can be used as energy sources by the human body while cellulose cannot."-<span>hyperphysics.phy-astr.gsu.edu/hbase/Organic/carb.html</span>