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Photosynthesis and Respiration

Photosynthesis and Respiration
As a result of the photosynthetic process, which product is formed?

Carbon dioxide
Oxygen
Both (a) and (b)
Water

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Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Light reactions of photosynthesis
Dark reactions of photosynthesis
Fermentation
Carbon fixation

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Photosynthesis and Respiration
A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose

produces less CO2
has mitochondria present
is lacking in O2
all of these

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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
C4 pathway
Photosystem II

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Photosynthesis and Respiration
Oxidative phosphorylation is to respiration as __________ is to photosynthesis

electron transport chain
light capture by chlorophyll
carbon fixation
reduction of NADPH

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

chlorophyll pigments
water
adenosine triphosphate (ATP)
carbon dioxide

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