Starch and cellulose are both produced by plants, yet one is easily digested by animals and the other is not. discuss the differences in the structures of these two molecules and how this may impact whether they can be digested.

Starch is a branched polymer while cellulose is a straight chain. Starch is digested using amylase which is present in animals. Some animals lacked the enzymes that are needed to digest cellulose. However, other animals can digest it with the use of symbiotic microorganisms located in their guts.