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Chloroplasts

Chloroplasts. Chloroplasts are organelles found in plant cells and eukaryotic algae. By Oscar Némethy & Chris Grey. Function. The function of Chloroplasts is to supply the plant-organism with energy, they do so through Photosynthesis.

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Chloroplasts

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  1. Chloroplasts Chloroplasts are organelles found in plant cells and eukaryotic algae By Oscar Némethy & Chris Grey

  2. Function The function of Chloroplasts is to supply the plant-organism with energy, they do so through Photosynthesis. The chloroplasts absorb solar energy through Thylakoids (0.01 μm thick). This is possible because a Thylakoid membrane has an embedded antenna complex (photosystem) consisting of 250 to 400 pigment molecules, mainly chlorophylls and carotenoids that absorb the light. The light is then funnelled to the reaction centre of this complex through resonance energy transfer, where the light energy is converted to chemical- energy that is needed for the Calvin Cycle. The Calvin Cycle takes place in the Stroma of the chloroplast. It is then that carbon dioxide and water, with the use of the solar energy are made into sugars (glucose).

  3. Photosynthesis 6H2O + 6CO2 ----------> C6H12O6+ 6O2

  4. Structure 1 µm 2-10 µm

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