Which of the statements, A to D, about cellulose is correct?
It is a highly branched polymer composed of β\betaβ-glucose subunits.
Parallel unbranched chains of β\betaβ-glucose are held together by hydrogen bonds to form microfibrils.
Alternating glucose subunits are rotated by 90∘90^\circ90∘ to allow 1-4 glycosidic bonding.
It is a storage polysaccharide found within the cytoplasm of plant cells.