Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Fermentation
Dark reactions of photosynthesis
Carbon fixation
Light reactions of photosynthesis

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Photosynthesis and Respiration
Glycolysis takes places in the __________ and produces __________ , which in the presence of oxygen then enters the __________ .

cytosol; pyruvate; mitochondrion to complete fermentation
cytosol; pyruvate; mitochondrion to complete cellular respiration
cytosol; glucose; mitochondrion to complete fermentation
mitochondrion; pyruvate; chloroplast to complete photosynthesis

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Photosynthesis and Respiration
What do coenzyme A, CO2, oxaloacetate, and FADH2 all have in common?

They are all components or products of the citric acid cycle
They are part of the dark reactions of photosynthesis
They are part of the reactions of lactic acid fermentation
They are all elements of oxidative phosphorylation

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