Why Does NADH Yield 3 ATP While FADH₂ Only Yields

question 2

Multiple Choice

Why does NADH yield 3 ATP while FADH₂ only yields 2 ATP?

• A) NADH has a higher electrochemical potential than FADH₂
• B) NADH enters the ETC at complex I while FADH₂ enters it at complex II
• C) The standard free energy difference between NADH and NAD⁺ exceeds the standard free
• energy difference between FADH₂ and FAD
• D) The chemical energy stored in NADH is more than that stored in FADH₂
• E) All of the above

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