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Photosynthesis and Respiration

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

water
adenosine triphosphate (ATP)
carbon dioxide
chlorophyll pigments

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Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

water
oxygen
NADH
NADPH

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

photorespiration
light dependent reactions
calvin cylcle
none of these

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Photosynthesis and Respiration
Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

Glucose
H2O
NADPH
ATP

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Photosynthesis and Respiration
Oxidative phosphorylation is to respiration as __________ is to photosynthesis

light capture by chlorophyll
carbon fixation
electron transport chain
reduction of NADPH

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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 what is used during carbon fixation in photosynthesis
They are reduced

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