How are the cell walls of a plant and fungus different? a. the cell walls of fungi are made of glucans and chitin, while plant cell walls are made of cellulose. b. the cell walls of fungi are made of chitin, while plant cell walls are made of glucans and cellulose. c. the cell walls of fungi are made of glucans and cellulose, while plant cell walls are made of chitin. d. the cell walls of fungi are made of cellulose, while plant cell walls are made of glucans and chitin.