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Photosynthesis and Respiration

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

Krebs cycle
glycolysis
anaerobic respiration
fermentation

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Photosynthesis and Respiration
Which of the following structures or processes are logically associated with chloroplasts?

Chlorophyll
Plant cells
All of these
Thylakoid membranes

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Photosynthesis and Respiration
Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of H2O at the beginning of the light reactions end up attaching to

electron transport carriers to make O2
pyruvate to make ethanol
NADPH to make new glucose
O2 to make new H2O

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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
In the initial step of photosynthesis, sunlight energizes the electron pair of

water
adenosine triphosphate (ATP)
carbon dioxide
chlorophyll pigments

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Photosynthesis and Respiration
What do NAD+, NADP+, and FAD+ all have in common?

They are what is used during carbon fixation in photosynthesis
They are reduced
They are oxidized
They have a full complement of electrons

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