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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
Carbohydrate
NADPH
ATP

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

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

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

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

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Photosynthesis and Respiration
The cytochrome c oxidase complex

accepts electrons from cyt c
donates four electrons to O2
pumps protons out of the matrix space
all of these

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Photosynthesis and Respiration
During the light-dependent reactions of photosynthesis, which of the following does not occur?

Release of oxygen
Absorption of light energy by photosystems
Splitting of water
Carbon dioxide fixation

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

photorespiration
none of these
calvin cylcle
light dependent reactions

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