Photosynthesis and Respiration
The manufacture of ATP in both photosynthesis and respiration is made possible by

the action of ATP synthase
energy from the movement of electrons
the existence of a proton gradient across specific membranes
All of these

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

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

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