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Photosynthesis and Respiration

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

ATP
glucose
oxygen
NADPH

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Photosynthesis and Respiration
Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

NADPH
ATP
Carbohydrate
O2

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

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Photosynthesis and Respiration
Carbon fixation requires the expenditure of ATP molecules which is generated by

ETS (electron transfer system) during the light reactions
formation of glucose during the Calvin cycle
replenishment of chlorophyll
None of these

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Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

O2 needed for the dark reactions
electrons needed to reduce NADH
electrons needed to reduce P680
electrons needed for cyclic photophosphorylation

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Photosynthesis and Respiration
Electron transport systems play a vital role in

photorespiration
Calvin cycle
light-dependent reactions
all of these

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