How many molecules of ATP and NADPH are required for every molecule of CO2 fixed during the reduction step of the Calvin cycle?
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Correct answer: 2 ATP and 2 NADPH
During the reduction phase, two molecules of ATP are used for phosphorylation and two molecules of NADPH are used for reduction per CO2 molecule fixed. This results in the formation of glyceraldehyde-3-phosphate.
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