Place the Following Steps of the Electron Transport System (ETS)

question 46

Multiple Choice

Place the following steps of the electron transport system (ETS) and ATP formation in the correct order. 1. Movement of hydrogen ions provides energy to ATP synthesis.
2) Electrons from FADH₂ pass to coenzyme Q.
3) Electrons are transported to respiratory complex III.
4) ADP combines with P to form ATP.
5) Electrons from NADH pass to coenzyme Q.
6) Electrons combine with oxygen and hydrogen ions to form water molecules.

• A) 6, 3, 5, 2, 4, 1
• B) 5, 2, 3, 6, 1, 4
• C) 1, 2, 6, 4, 3, 5
• D) 4, 6, 1, 3, 5, 2
• E) 2, 3, 6, 5, 4, 1

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