ATP and NADPH are both used during the Calvin cycle. What is the function of each? A) ATP supplies energy and NADPH supplies electrons for reducing power. B) ATP supplies energy and NADPH fixes CO ₂ so it can enter the cycle. C) Both ATP and NADPH supply energy to the Calvin cycle. D) NADPH supplies energy and ATP supplies electrons for reducing power. E) ATP and NADPH are joined into the starter molecule, RuBP, to form glucose.

Question

Quizplus · Accepted Answer

ATP provides the energy needed for the reactions within the Calvin cycle, while NADPH donates electrons (reducing power) to help convert 3-phosphate-glycerate into glyceraldehyde-3-phosphate, a carbohydrate.

ATP and NADPH Are Both Used During the Calvin Cycle