biology

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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

  • biology -

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

  • biology -

    A. at the end of glycolysis

  • biology -

    b. is the right answer

  • biology -

    Im not completely sure of the answer but im pretty sure its B.

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