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Photosynthesis and Respiration

Photosynthesis and Respiration
Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

ATP
Glucose
H2O
NADPH

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

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Photosynthesis and Respiration
The cytochrome c oxidase complex

accepts electrons from cyt c
pumps protons out of the matrix space
all of these
donates four electrons to O2

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Photosynthesis and Respiration
Antenna complexes, electron transport chains, and carbon fixation are all found in

plant cells
animal cells
association with the reactions of the citric acid cycle
bacterial cells

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Photosynthesis and Respiration
Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

CO2
Sunlight
ATP
O2

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Photosynthesis and Respiration
A cyclic electron transport process is the characteristic of

methane oxidation
sulfide oxidation
photosynthesis
methane production

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