Question

What is the significance of photolysis of water in photophosphorylation? What happens to each product of this process​

Answer 1

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• Photolysis of water in the presence of sunlight is the breakdown of the water molecule into hydrogen and oxygen.

• During the first photosynthesis step, ps-II (p680) absorbs the light energy.

• The chlorophyll electrons are energized to the excited state and absorbed by the electron acceptor.In photosynthesis, light energy is absorbed by Chlorophyll (the green pigmentation found in leaves and some stems) in the plant cells, to produce ATP and to split water into hydrogen and oxygen. This sub-process is called Photolysis.

Answer 2

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Photolysis of water in the presence of sunlight is the breakdown of the water molecule into hydrogen and oxygen. During the first photosynthesis step, ps-II (p680) absorbs the light energy. The chlorophyll electrons are energized to the excited state and absorbed by the electron acceptor.