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polysaccharide found in plant cell walls.
produced, growing, living, or occurring naturally in a particular region or environment.
a substance that consists of two or more chemically joined atoms.
simple inorganic chemical substances (mineral salts) that are needed in very small amounts for...
mechanical process whereby air enters and leaves the lungs.
remove starch from the leaves of a plant by preventing photosynthesis from occurring (for a few...