Oxygen becomes part of cellular respiration _________________.
at the end of glycolysis
at the end of the electron transport chain
at the end of fermentation
at the end of the Krebs cycle
At the end of the electron transport chain when electrons & H+ & O2 combine. Oxygen is the final electron acceptor.posted by Sam
A. at the end of glycolysisposted by mays
b. is the right answerposted by ?
Im not completely sure of the answer but im pretty sure its B.posted by Destiel