Cells were treated with a chemical that inhibits the first step of the electron transport chain in cellular respiration. How would this affect the levels of the inputs and outputs of the electron transport chain? A) The cells would have decreased levels of O2 compared to untreated cells.
B) The cells would have increased levels of ATP compared to untreated cells.
C) The cells would have increased levels of NADH compared to untreated cells.
D) The cells would have decreased levels of FADH2 compared to untreated cells.