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Question
ATP molecules required for synthesis of a glucose molecule in Calvin Benson cycle are
ATP molecules required for synthesis of a glucose molecule in Calvin Benson cycle are
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Solution
The correct option is D 18
During the Calvin cycle, three molecules of CO2 are required to produce one molecule of the three carbon glyceraldehyde 3-phosphate (G3P) and two molecules of G3P are needed to generate one molecule of glucose.
Therefore, the Calvin cycle needs to make a total of 6 turns to produce a glucose molecule.
Each turn of the Calvin cycle requires 3 molecules of ATP and 2 molecules of NADPH, so for 6 turns 18 ATPs and 12 NADPH are required.
During the Calvin cycle, three molecules of CO2 are required to produce one molecule of the three carbon glyceraldehyde 3-phosphate (G3P) and two molecules of G3P are needed to generate one molecule of glucose.
Therefore, the Calvin cycle needs to make a total of 6 turns to produce a glucose molecule.
Each turn of the Calvin cycle requires 3 molecules of ATP and 2 molecules of NADPH, so for 6 turns 18 ATPs and 12 NADPH are required.
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