biology

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



asked by hannah
  1. At the end of the electron transport chain when electrons & H+ & O2 combine. Oxygen is the final electron acceptor.

    posted by Sam
  2. A. at the end of glycolysis

    posted by mays
  3. b. is the right answer

    posted by ?
  4. Im not completely sure of the answer but im pretty sure its B.

    posted by Destiel

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