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Photosynthesis and Respiration

Photosynthesis and Respiration
Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

O2
ATP
CO2
Sunlight

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Photosynthesis and Respiration
Electron transport systems play a vital role in

photorespiration
all of these
light-dependent reactions
Calvin cycle

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Photosynthesis and Respiration
The electrons that are released by the splitting of water during photosynthesis ultimately end up in

rubisco
ATP
O2
NADPH

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Photosynthesis and Respiration
Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of H2O at the beginning of the light reactions end up attaching to

NADPH to make new glucose
electron transport carriers to make O2
O2 to make new H2O
pyruvate to make ethanol

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

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

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Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Light reactions of photosynthesis
Carbon fixation
Dark reactions of photosynthesis
Fermentation

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