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Photosynthesis and Respiration

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

ribose tri phosphate
ribulose phosphate
3-phosphoglyceric acid
ribulose diphosphate

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

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Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

600 nm
550 nm
750 nm
700 nm

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

Alcohol fermentation
Citric acid cycle
Glycolysis
Oxidative phosphorylation

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

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

Dark reactions of photosynthesis
Light reactions of photosynthesis
Carbon fixation
Fermentation

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MORE MCQ ON Photosynthesis and Respiration

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