Question
What is the basic structural difference between starch and cellulose?
✓
Answer
Starch consists of amylase and amylopectin. Amylase is a linear polymer of $\alpha-\text{D}-$ glucose while cellulose is a linear polymer of $\beta-\text{D}-$ glucose. In amylase, C - 1 of one glucose unit is connected to C - 4 of the other through $\alpha-$glycosidic linkage. However in cellulose, C - 1 of one glucose unit is connected to C - 4 of the other through $\beta-$ glycosidic linkage. Amylopectin on the other hand has highly branched structure .
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