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Photosynthesis and Respiration

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

ATP
glucose
NADPH
oxygen

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

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

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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
the existence of a proton gradient across specific membranes
All of these

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Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

550 nm
600 nm
700 nm
750 nm

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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
O2 to make new H2O
pyruvate to make ethanol

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

NADP+
FADH2
CO2
ATP

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