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How do plants use photosynthesis to make food?
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Plants use photosynthesis to convert light energy from the sun into chemical energy stored in molecules of glucose. The glucose is then used by the plant as its source of food and energy. Photosynthesis occurs in the chloroplasts of a plant. During the process, light energy is converted into chemical energy when carbon dioxide and water are converted into glucose by the enzyme rubisco and oxygen is released as a byproduct.