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Photosynthesis and Respiration

Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

water
oxygen
NADPH
NADH

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

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

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Photosynthesis and Respiration
What process in cellular respiration is essentially the reverse of carbon fixation in photosynthesis?

Citric acid cycle
Alcohol fermentation
Glycolysis
Oxidative phosphorylation

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Photosynthesis and Respiration
Electron transport systems play a vital role in

Calvin cycle
photorespiration
light-dependent reactions
all of these

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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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Photosynthesis and Respiration
Rubisco (RuBP Carboxylase-oxygenase enzyme), glyceraldehyde 3-phosphate, and NADPH all play a role in

the dark reactions of photosynthesis
cellular respiration when O2 is present
the breakdown of glucose into CO2
alcohol fermentation

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