Amylose ⇒ It is a plant based starch it has α−C1−C4 glycosidic linkage.Cellulose ⇒ It has β−C1−C4 glycosidic linkageGlycogen ⇒ It has α−C1−C4 and glycosidic linkage (animal starch)Amylopectin ⇒ It is a plant based with α−C1−C4 and C1−C6 glycosidic linkage