The Main Difference Between Cellulose and Chitin Is That:
A) $\beta$

The main difference between cellulose and chitin is that:

A) Cellulose has $\beta$ -glycosidic linkages; chitin has $\alpha$ -glycosidic linkages.
B) Cellulose has $\alpha$ -glycosidic linkages; chitin has $\beta$ -glycosidic linkages.
C) Cellulose is composed of D-glucose units; chitin is composed of an N-acetyl derivative of glucose, glucosamine.
D) Cellulose has a linear structure; chitin has a helical structure.
E) Cellulose has 1,6 branching; chitin has no branching.