Photosynthesis and Respiration
What do NAD+, NADP+, and FAD+ all have in common?

They are what is used during carbon fixation in photosynthesis
They are reduced
They are oxidized
They have a full complement of electrons

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

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

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