Which one of the following is false:

    1.    
Humans can digest starch to glucose, use some of it to produce energy, store the extra as highly-branched polymer.

     2.    
Grazing animals have the enzymes themselves that are able to hydrolyze cellulose to glucose.

     3.    
Plants store glucose produced from photosynthesis as cellulose, while animals store the extra glucose as glycogen.

     4.    
Most animals and humans lack the enzymes necessary to break beta linkages