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Answer:

The two stages of photosynthesis: Photosynthesis takes place in two stages: light-dependent reactions and the Calvin cycle (light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.

Explanation:

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The two major reactions that takes place in photosynthesis are light dependent and light independent reactions.

PHOTOSYNTHESIS:

  • Photosynthesis is the process by which green plants and other autotrophic organisms obtain their own food using energy from sunlight.

  • The process of photosynthesis takes place in the chloroplast organelle of the cell where a pigment called CHLOROPHYLL, absorbs photons of light.

  • Photosynthesis, however, consists of two stages namely: light dependent and light independent reactions.

  • Light dependent reaction takes place strictly in the presence of sunlight and involves the production of ATP and NADPH molecules, which are used in light independent reaction.

  • Light independent reaction, also called Calvin cycle, can occur with or without sunlight, hence, it is called dark reaction. Calvin cycle uses the product of the light stage to synthesize glucose molecule.

  • Therefore, the two major reactions that takes place in photosynthesis are light dependent and light independent reactions.

Learn more: https://brainly.com/question/15289200?referrer=searchResults

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