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Photosynthesis and Respiration

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

glucose
oxygen
NADPH
ATP

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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

Carbon fixation
Light reactions of photosynthesis
Fermentation
Dark reactions of photosynthesis

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Photosynthesis and Respiration
During the light-dependent reactions of photosynthesis, which of the following does not occur?

Absorption of light energy by photosystems
Carbon dioxide fixation
Splitting of water
Release of oxygen

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Photosynthesis and Respiration
Which enzyme is involved in carbon-fixation reaction?

NADP reductase
Glycerol kinase
Cytochrome reductase
Ribulose bisphosphate carboxylase

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

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