Photosynthesis and Respiration
If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

In the NADPH
In the water used
In the oxygen given off by the plant
In the carbohydrate produced

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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?

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

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