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Photosynthesis and Respiration

Photosynthesis and Respiration
The breakdown of glucose occurs by the process known as

anaerobic respiration
Krebs cycle
glycolysis
fermentation

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Photosynthesis and Respiration
The electrons that are released by the splitting of water during photosynthesis ultimately end up in

NADPH
O2
ATP
rubisco

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

NADP+
ATP
CO2
FADH2

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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

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

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

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

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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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