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Photosynthesis - revision notes
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Biology revision notes. Photosynthesis = The process that makes food (glucose) in plants. * It takes place in the green leaves of plants. * Sun light is very essential and is taken in by the green pigment in plants: Chlorophyll. * Chlorophyll is in the chloroplasts. Chlorophyll changes the light energy from the sun to chemical energy. * The raw materials = carbon dioxide and water. * The products = glucose (which is later turned into other substances like starch) and oxygen. * The word equation = carbon dioxide + water sun light energy absorbed by chlorophyll glucose + oxygen or the chemical equation: 6CO2 + 6H2O sun light energy absorbed by chlorophyll C6H12O6 + 6O2 Experiments for photosythesis: * Iodine shows if starch is present. * The factor/thing we want to investigate is taken away from the plant. * We use a control as a comparison. This is a plant that is given normal conditions INCLUDING the factor we are investigating. Detailed...
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