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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?

Glucose
ATP
H2O
NADPH

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Photosynthesis and Respiration
Electron transport systems play a vital role in

Calvin cycle
all of these
photorespiration
light-dependent reactions

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

carbon dioxide
water
adenosine triphosphate (ATP)
chlorophyll pigments

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Photosynthesis and Respiration
More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

glycolysis
fermentation
the light reactions of photosynthesis
oxidative phosphorylation

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Photosynthesis and Respiration
Carbon fixation requires the expenditure of ATP molecules which is generated by

replenishment of chlorophyll
ETS (electron transfer system) during the light reactions
None of these
formation of glucose during the Calvin cycle

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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
all of these
is lacking in O2

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