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Photosynthesis and Respiration

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

ATP
rubisco
NADPH
O2

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Photosynthesis and Respiration
More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

glycolysis
fermentation
oxidative phosphorylation
the light reactions of photosynthesis

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

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

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

carbon dioxide
water
adenosine triphosphate (ATP)
chlorophyll pigments

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Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Carbon fixation
Light reactions of photosynthesis
Fermentation
Dark reactions of photosynthesis

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

FADH
NADP+
NAD+
ADP

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