How many molecules of ATP and NADPH are required, respectively, for fixation of every CO2 molecule entering the Calvin cycle?
2 and 4
4 and 2
3 and 2
2 and 3
for every molecule entering the Calvin cycle, a total of 3 molecules of ATP and 2 molecules of NADPH are required. Specifically, 2 molecules of ATP and 2 of NADPH are utilised for reduction, while 1 molecule of ATP is required for the regeneration of the acceptor molecule RuBP .
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