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The aim of this experiment is to investigate the factors affecting photosynthesis in Elodea.
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| Submitted: Fri Oct 24 2003
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Photosynthesis The aim of this experiment is to investigate the factors affecting photosynthesis in Elodea. Plants photosynthesise in order to produce energy, in the form of glucose, from sunlight. The light energy from the sun is converted into chemical energy by chlorophyll, contained in the chloroplasts of leaf cells, and is stored in the plant as glucose. The formula for photosynthesis is: Carbon dioxide + water glucose + oxygen 6CO2 + 6H2O C6H12O6 + 6O2 There are many features of the leaf that make it efficient for photosynthesis. There is a large surface area so the chlorophyll can absorb the maximum possible amount of light. In the outside of the epidermis, which is coated with a waterproof waxy cuticle, there are tiny pores called stomata. These allow carbon dioxide to enter the leaf and oxygen to leave. Most of the stomata are in the lower epidermis of the leaf, to reduce the...
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