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Photosynthesis and Respiration

Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

NADPH
oxygen
NADH
water

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

Alcohol fermentation
Glycolysis
Oxidative phosphorylation
Citric acid cycle

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Photosynthesis and Respiration
As a result of the photosynthetic process, which product is formed?

Carbon dioxide
Water
Oxygen
Both (a) and (b)

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Photosynthesis and Respiration
Which of the following structures or processes are logically associated with chloroplasts?

Plant cells
Thylakoid membranes
Chlorophyll
All of these

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Photosynthesis and Respiration
The manufacture of ATP in both photosynthesis and respiration is made possible by

the existence of a proton gradient across specific membranes
the action of ATP synthase
energy from the movement of electrons
All of these

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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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