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Photosynthesis and Respiration

Photosynthesis and Respiration
Hydrogen (electron) acceptor in the light reactions is

ADP
NADP+
NAD+
FADH

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

ATP
O2
Carbohydrate
NADPH

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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
O2 to make new H2O
pyruvate to make ethanol
NADPH to make new glucose

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

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

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Photosynthesis and Respiration
The manufacture of ATP in both photosynthesis and respiration is made possible by

the action of ATP synthase
energy from the movement of electrons
All of these
the existence of a proton gradient across specific membranes

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Photosynthesis and Respiration
As a result of the photosynthetic process, which product is formed?

Both (a) and (b)
Water
Oxygen
Carbon dioxide

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