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Question

dark reactions are known as light independent reactions but then why the dark reaction or Calvin cycle does not take place in the absence of light?

Canyou please explain me. I'm confused sir/ mam

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Solution

Dark reactions are also known as the Calvin Cycle, the Calvin-Benson cycle, and light-independent reactions. The point is that they do not require sunlight to complete their process.

After ATP is formed in the first part of photosynthesis, for living things to grow, reproduce and repair themselves, the inorganic form of CO2 must be transformed into carbohydrate. This happens during the Calvin Cycle in the stroma (the fluid filled interior of the chloroplast). ATP and NADPH combine with CO2and water to make the end product of glucose. The ADP and NADPH+ are recycled to the light-dependent side to start the process over.

Remember that during hours of darkness, plants cannot perform photosynthesis so they do cellular respiration in the mitochondria just as all living organisms do.


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