Question

define photosynthesis write steps of photosynthesis
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Answer 1

Explanation:

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• Shares. Photosynthesis takes in the carbon dioxide produced by all breathing organisms and reintroduces oxygen into the atmosphere. (Image: © KPG_Payless | Shutterstock) Photosynthesis is the process used by plants, algae and certain bacteria to harness energy from sunlight and turn it into chemical energy.

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Answer 2

Photosynthesis is the process by which plants synthesise food by utilizing the CO2 and sunlight and H2O  and results in the formation of glucose/starch and give out O2 as byproduct.

Equation:

6CO2 + 6H2O -----> C6H12O6 + O2

There are two steps:

1. Light reactions, which take place in the presence of light. Light reactions involve the formation of ATP, NADPH by converting solar energy into chemical energy. This involves splitting of water.
2. Dark reactions, which depend on the products of light reaction. It involves the formation of glucose/carbohydrate molecules by utilizing the ATP formed.