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Photosynthesis and Respiration

Photosynthesis and Respiration
Which enzyme is involved in carbon-fixation reaction?

Cytochrome reductase
Ribulose bisphosphate carboxylase
Glycerol kinase
NADP reductase

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

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

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

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribulose phosphate
3-phosphoglyceric acid
ribulose diphosphate
ribose tri phosphate

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Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

electrons needed to reduce P680
O2 needed for the dark reactions
electrons needed to reduce NADH
electrons needed for cyclic photophosphorylation

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Photosynthesis and Respiration
Carbon dioxide is reduced in

both light and dark reactions
the Calvin cycle
noncyclic photophosphorylation
the light reactions

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