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Photosynthesis and Respiration

Photosynthesis and Respiration
In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

carbon dioxide
chlorophyll a
chlorophyll b
NADP+

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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

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

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

Ribulose bisphosphate carboxylase
Glycerol kinase
NADP reductase
Cytochrome reductase

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

water, ADP and NADP+
O2, ATP and NADPH
carbon dioxide, PGAL (phosphoglyceraldehyde), and H2
carbon dioxide, ATP and water

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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?

ATP
NADPH
Glucose
H2O

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Photosynthesis and Respiration
Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

ATP
Carbohydrate
O2
NADPH

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