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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

chlorophyll a
chlorophyll b
carbon dioxide
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

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

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

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

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

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

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

ATP
CO2
O2
Sunlight

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Photosynthesis and Respiration
In the initial step of photosynthesis, sunlight energizes the electron pair of

chlorophyll pigments
carbon dioxide
water
adenosine triphosphate (ATP)

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