breaking down of large nutrient molecules using chemical means (e.g. through the action of...
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a form of potential energy stored in chemical bonds and released in a chemical reaction.
a tough substance made from a modified polysaccharide that contains nitrogen. It is the main...
parenchyma cells that are exposed to light and contain many chloroplasts. Chlorenchyma cells...
chemicals used as the propellants in aerosol sprays, as coolants in fridges, air conditioners...
a green pigment in plants, which is needed for photosynthesis.
organelles that only occur in the green parts of plants. They contain the green pigment...
a disease caused by the bacterium Vibriocholera, which produces a toxin in the lining of the...
a substance found in certain fatty foods or manufactured in the liver. High levels of...
a rubbery, protein-carbohydrate complex that forms the matrix of cartilage.