Amylose ⇒ It is a plant based starch it has α−C1−C4 glycosidic linkage. Cellulose ⇒ It has β−C1−C4 glycosidic linkage Glycogen ⇒ 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