Photosynthesis

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  • Created by: Missy
  • Created on: 04-01-12 17:18
  • Carbon dioxide + water (+light energy) --> glucose + oxygen
  • During photosynthesis, light energy is absorbed by the chlorophyll  in the chloroplasts.This energy is then used to convert Carbon Dioxide and water into simple glucose.
  • You can use iodine the test for starch (and prove photosynthisis has occured), put iodine in a leave, if iodine is present it will turn blue-black
  • Leaves are well adapted because: most have a large surface area; they contain chlorophyll in the chloroplasts to absorb light energy; they have air spaces which allow carbon dioxide into the cell, and oxygen to leave; they have veins which bring plenty of water to them.

 (http://www.enchantedlearning.com/subjects/plants/gifs/leafcrosssection.GIF)

Limiting factors of photosynthesis:

  • Light: if there is plenty of light, lots of photosynthesis will take place. If there is very little or no ligh, photosynthesis will stop regrdless of the other conditions
  • Temperature: the rate of photosynthesis…

Comments

Dana

thank you sooo much this is very helpful!

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