Define Photosystems.......
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A biochemical mechanism in plants by which chlorophyll absorbs light energy for photosynthesis. There are two such mechanisms ( photosystems I and II ) involving different chlorophyll–protein complexes.
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the Photosystem is the first link in the chain of photosynthesis. It captures photons and uses the energy to extract electrons from water molecules .
The photosystems are the functional centers of photosynthesis. The pigments, such as chlorophyll, in the photosystems absorb light energy, which excites electrons.
Photosystems are found in the thylakoid membranes of plants, algae and cyanobacteria.
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