Explaination of the events of photosynthesis

The three events that occur during the process of photosynthesis are: Absorption of light energy by chlorophyll. Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. ... The gas exchange that occurs when stomata are open facilitates photosynthesis.

Explanation:

The three events that occur during the process of photosynthesis are: (i) Absorption of light energy by chlorophyll. (ii) Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen. (iii) Reduction of carbon dioxide to carbohydrates.

event 1 explanation: In photosynthesis, electrons are transferred from water to carbon dioxide in a reduction process. ... When chlorophyll absorbs energy from sunlight, an electron in the chlorophyll molecule is excited from a lower to a higher energy state. The excited electron is more easily transferred to another molecule.

event 2 explanation: Catalysts in the chloroplasts of photosynthesizing plants help split water by binding water molecules and separating protons and electrons. ... In a process called photolysis ('light' and 'split'), light energy and catalysts interact to drive the splitting of water molecules into protons (H+), electrons, and oxygen gas.

event 3 explanation: In Photosynthesis, carbon dioxide is reduced to carbohydrates and other compounds during the Dark reaction or the light-independent reactions. ... The reduction of carbon dioxide to carbohydrates during dark reaction requires ATP and NADPH formed in the Light-dependent reactions.

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