Cellulose is found throughout the cell walls of plant cells. cellulose makes cell walls rigid, which indicates that cellulose is a a. carbohydrate b. lipid c. nucleic acid d. protein

Which sentence best describes the relationship between chlorophyll and the chloroplast? a.) chlorophyll is a chemical found in a chloroplast. b.) chloroplast is a chemical found in a chlorophyll. c.) both chlorophyll and chloroplasts are found in animals. d.) both chlorophyll and chloroplasts make carbon dioxide.