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Photosynthesis and Respiration

Photosynthesis and Respiration
In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

chlorophyll b
NADP+
chlorophyll a
carbon dioxide

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

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

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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
Electron transport systems play a vital role in

light-dependent reactions
all of these
photorespiration
Calvin cycle

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Photosynthesis and Respiration
What do NAD+, NADP+, and FAD+ all have in common?

They are oxidized
They are what is used during carbon fixation in photosynthesis
They have a full complement of electrons
They are reduced

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

carbon dioxide, ATP and water
O2, ATP and NADPH
carbon dioxide, PGAL (phosphoglyceraldehyde), and H2
water, ADP and NADP+

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