Topic: C3 and C4 pathways, photorespiration· Plant Physiology
How many molecules of ATP and NADPH are required for every molecule of CO_2 fixed in the Calvin cycle?
1. 3 molecules of ATP and 2 molecules of NADPH
2. 2 molecules of ATP and 3 molecules of NADPH
3. 2 molecules of ATP and 2 molecules of NADPH
4. 3 molecules of ATP and 3 molecules of NADPH