Per turn of the Krebs cycle, how many ATP, NADH, FADH2, and CO₂ are produced?
1) 1 ATP, 3 NADH, 1 FADH2, and 2 CO₂
2) 2 ATP, 2 NADH, 1 FADH2, and 3 CO₂
3) 3 ATP, 1 NADH, 2 FADH2, and 1 CO₂
4) 4 ATP, 2 NADH, 3 FADH2, and 1 CO₂