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

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

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

They are part of the reactions of lactic acid fermentation
They are all elements of oxidative phosphorylation
They are all components or products of the citric acid cycle
They are part of the dark 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 cellular respiration
cytosol; pyruvate; mitochondrion to complete fermentation
mitochondrion; pyruvate; chloroplast to complete photosynthesis
cytosol; glucose; mitochondrion to complete fermentation

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