Oxygen becomes part of cellular respiration _________________.
A.
at the end of glycolysis
B.
at the end of the electron transport chain
C.
at the end of fermentation
D.
at the end of the Krebs cycle
4 answers
At the end of the electron transport chain when electrons & H+ & O2 combine. Oxygen is the final electron acceptor.
A. at the end of glycolysis
b. is the right answer
Im not completely sure of the answer but im pretty sure its B.