How many times must the Calvin cycle turn for the plant cell to be able to produce one molecule of glucose?sixtwoonethree
Question
How many times must the Calvin cycle turn for the plant cell to be able to produce one molecule of glucose?
Solution
The Calvin cycle needs to turn six times to produce one molecule of glucose. Here’s a detailed explanation:
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Understanding the Calvin Cycle: The Calvin cycle consists of a series of biochemical reactions that occur in the stroma of chloroplasts in plant cells. It is crucial for photosynthesis, enabling plants to convert carbon dioxide and water into glucose using the energy from sunlight.
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Carbon Fixation: Each turn of the Calvin cycle fixes one molecule of carbon dioxide (CO₂). To produce one molecule of glucose (C₆H₁₂O₆), which contains six carbon atoms, the cycle must turn six times to incorporate six CO₂ molecules.
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Energy Requirement: Each turn of the cycle requires ATP and NADPH, which are generated during the light-dependent reactions of photosynthesis. After six turns, the energy-rich products help convert the fixed carbon into glucose.
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Conclusion: Therefore, to synthesize one molecule of glucose, the Calvin cycle must turn six times, fix six carbon dioxide molecules, and utilize the necessary ATP and NADPH produced in the light reactions.
In summary, the answer to the question is: 6 times.
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