Photosynthesis and Respiration
What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis?

Oxidative phosphorylation
Citric acid cycle
Alcohol fermentation
Glycolysis

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Photosynthesis and Respiration
Which of the following statements about energy metabolism is false?

All eukaryotic organisms carry out respiration in the presence of O2
Plants provide the water and CO2 that animals need to carry out respiration
All animals in some way rely on plants for their energy
The energy that powers living systems ultimately comes from the sun

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