Multiple choice How many ATP and NADH are generated by fixation of 1 molecule of CO2 by C4 plants? 3 ATP and 2 NADH 4 ATP and 3 NADH 5 ATP and 3 NADH 5 ATP and 2 NADH Reveal answer Fill a bubble to check yourself C Correct answer Explanation 5 ATP and 3 NADH are generated by fixation of 1 molecule of CO2 by C4 plants.