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Photosynthesis and Respiration

Photosynthesis and Respiration
The followings are the products of the light reactions of photosynthesis except

oxygen
NADPH
ATP
glucose

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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
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

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

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Photosynthesis and Respiration
If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

In the NADPH
In the water used
In the carbohydrate produced
In the oxygen given off by the plant

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribulose phosphate
3-phosphoglyceric acid
ribulose diphosphate
ribose tri phosphate

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

Glycolysis
Citric acid cycle
Oxidative phosphorylation
Alcohol fermentation

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