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Photosynthesis and Respiration

Photosynthesis and Respiration
The breakdown of glucose occurs by the process known as

Krebs cycle
fermentation
glycolysis
anaerobic respiration

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Photosynthesis and Respiration
In cells having organelles, the steps of the Krebs cycle and the electron transport system occur in the

endoplasmic reticulum
mitochondria
cell membrane
none of these

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

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

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

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

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

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

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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
Calvin cycle
Photosystem II
C4 pathway

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