Six facts about starch
Starch is made up of long chains of glucose molecules. The chains can be branched.
Starch is a storage molecule in plant cells.
Starch is compact, forms an approximately spherical shape and is insoluble.
The bonds between glucose monomers can be broken by hydrolysis carried out by an enzyme.
Starch is indicated by testing with iodine. A blue-black colour is given.
Glycogen has a similar structure to starch. It is formed in animal cells. It has many more branches than starch.