Write a note on polysaccharides.

(N/A) Polysaccharides are long-chain carbohydrates formed by the polymerization of a large number of monosaccharide units joined together by glycosidic linkages.
$1$. They are the most commonly encountered carbohydrates in nature.
$2$. They mainly act as food storage or structural materials.
$3$. Starch is the main storage polysaccharide in plants,composed of amylose and amylopectin.
$4$. Cellulose is the main structural polysaccharide in plants,providing rigidity to cell walls.
$5$. Glycogen is the storage polysaccharide in animals,often referred to as animal starch.
$6$. They are generally non-reducing sugars and are insoluble in water.