Biochemistry Number of ATP molecules and NADH formed in each cycle of glycolysis ? A 4 ATP, 2 NADH B 2 ATP, 2 NADH C 4 ATP, 4 NADH D 2 ATP, 4 NADH 💡 Explanation Number of ATP molecules and NADH formed in each cycle of glycolysis ? ✓ Correct Answer: A. 4 ATP, 2 NADH