A common feature of cellulose and chitin is that molecules of both?

Question

(A) contain repeated units of glucose and fructose
(B) are disaccharides that are soluble in water and have a high melting point
(C) are polysaccharides that form energy storage reserves in certain types of cells
(D) are polysaccharides that act as structural components of certain types of cells
(E) contain repeated 1-4 linked glucose monomers with no R groups

Answer 1

Just D. Chitin has nitrogen based R groups attached to the 6th (I think) position on each glucose.

Answer 2

both D and E