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Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of HO at the beginning of the light reactions end up attaching to

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Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of HO at the beginning of the light reactions end up attaching to Answer: O₂ to make new H₂O

Question context

This question is part of 🧬 Biochemistry within the broader 🧬 Medical Science subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.