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Photosynthesis and Respiration

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

O2
ATP
Carbohydrate
NADPH

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Photosynthesis and Respiration
Rubisco (RuBP Carboxylase-oxygenase enzyme), glyceraldehyde 3-phosphate, and NADPH all play a role in

alcohol fermentation
cellular respiration when O2 is present
the breakdown of glucose into CO2
the dark reactions of photosynthesis

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

3-phosphoglyceric acid
ribulose diphosphate
ribulose phosphate
ribose tri phosphate

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Photosynthesis and Respiration
In the initial step of photosynthesis, sunlight energizes the electron pair of

adenosine triphosphate (ATP)
chlorophyll pigments
carbon dioxide
water

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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

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

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

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