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Photosynthesis and Respiration

Photosynthesis and Respiration
NADP+ is reduced to NADPH during

light dependent reactions
calvin cylcle
none of these
photorespiration

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Photosynthesis and Respiration
The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called

Photosystem II
C4 pathway
ETS (electron transfer system in light reactions
Calvin cycle

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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?

H2O
NADPH
Glucose
ATP

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Photosynthesis and Respiration
The vast majority of the molecules that act as energy carriers to power cellular activities are made in

the Golgi apparatus
the cytosol
the nucleus
the mitochondria and chloroplasts

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

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

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

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

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