How Oxygen Is Formed In Photosynthesis?


During photosynthesis, plants take in carbon dioxide and water in the presence of sunlight. In the first stage of photosynthesis, water molecules are emptied of electrons and are disintegrated into component atoms. These oxygen atoms from two molecules of water unite forming diatomic oxygen (O2).

The single protons, the hydrogen atoms devoid of electrons assist the generation of the proton gradient within the thylakoid membrane. Then the diatomic oxygen is released where the chlorophyll centre associates to newer molecules of water and the cycle continues. In order to release one oxygen molecule, chlorophyll must energize four electrons as a result of the electrons involved.

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