Biochemistry If 1 NADH provides reducing equivalents to electron transport chain then how many ATP will be formed? A 1.5 ATP B 2.5 ATPs C 3 ATPs D 1.5 ATP 💡 Explanation If 1 NADH provides reducing equivalents to electron transport chain then how many ATP will be formed? ✓ Correct Answer: B. 2.5 ATPs