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Photosynthesis and Respiration

Photosynthesis and Respiration
Which of the following is the reduced form of a temporary electron carrier molecule?

CO2
ATP
FADH2
NADP+

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

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Photosynthesis and Respiration
In algae, photosynthesis takes place in

cell membrane
mitochondria
None of these
choloroplasts

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

Citric acid cycle
Oxidative phosphorylation
Alcohol fermentation
Glycolysis

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Photosynthesis and Respiration
Antenna complexes, electron transport chains, and carbon fixation are all found in

plant cells
bacterial cells
animal cells
association with the reactions of the citric acid cycle

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Photosynthesis and Respiration
The cytochrome c oxidase complex

all of these
pumps protons out of the matrix space
accepts electrons from cyt c
donates four electrons to O2

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