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Biology Coursework : Rate of Photosynthesis Aim To investigate a factor that affects the rate of photosynthesis. Outline A piece of pond weed will be cut and placed into a beaker containing water and sodium hydrogen carbonate. A lamp will be shined on to the pond weed and the amount of bubbles released from the plant will be counted for 1 minute. The lamp will be adjusted to different distances from the plant to try and obtain different results. Background In Previous experiments leading up to this one, we have seen that plants are able to photosynthesis better when there is plenty of light. As long as there are no other limiting factors this should be true. When chlorophyll absorbs light energy, the light energy cannot be immediately used for energy conversion. Instead the light energy is transferred to a special protein environment where energy conversion occurs. This happens by using...

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