What is the primary substrate for the Calvin cycle in photosynthesis? 🔊
The primary substrate for the Calvin cycle in photosynthesis is carbon dioxide (CO2). During the Calvin cycle, carbon dioxide is fixed into organic molecules during photosynthesis, using energy from ATP and NADPH produced in the light-dependent reactions. This process synthesizes glucose and other carbohydrates, fundamental for energy storage and sustenance of plant life, which are crucial for ecosystems.


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