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If you consider the combined processes of photosynthesis and cellular respiration, the electrons found in H 2O at the beginning of the light reactions end up attaching to ________ during respiration.

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olayemiolakunle65

Answer:

[tex]O_{2}[/tex] to form [tex]H_{2}O[/tex]

Explanation:

The electrons start their journey through metabolism in [tex]H_{2}O[/tex] and end in the [tex]H_{2}O[/tex] that is made.  [tex]O_{2}[/tex] serves as the final electron acceptor in oxidative phosphorylation, so as to combine with protons to make new "metabolic" water.

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