Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

O2 needed for the dark reactions
electrons needed to reduce NADH
electrons needed to reduce P680
electrons needed for cyclic photophosphorylation

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Photosynthesis and Respiration
Which of the following represents a correct ordering of the events that occur during the respiration of glucose in the absence of O2?

Oxidative phosphorylation; citric acid cycle; glycolysis
Glycolysis; citric acid cycle; oxidative phosphorylation
Glycolysis; oxidative phosphorylation; citric acid cycle
Glycolysis; fermentation

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