Of the three common polymers of glucose:
Fungi and most bacteria can digest cellulose, fructose and sucrose.
Animals can digest fructose and starch.
Fungi can digest starch and glycogen but not cellulose.
Animals can digest starch and cellulose but not glycogen.
Fungi can digest cellulose, glycogen and starch.
Animals can digest cellulose, glycogen and starch.