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Photosynthesis Quiz
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NAME
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Your answer
All of the following are products of the light dependent reactions EXCEPT
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ATP
NADPH
glucose
oxygen
The light independent reactions are also known as the ________________ cycle.
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Your answer
Plants use both water and carbon dioxide during photosynthesis. Which of these is the source of the oxygen plants give off?
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carbon dioxide
water
The hydrogen ion gradient that forms during the light dependent reactions is the direct result of
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the passing of NADPH to the Calvin cycle
the fixation of carbon dioxide to make glucose
the Electron Transport chain proteins acting as proton pumps
the energizing of chlorophyll by sunlight
Plants switch to CYCLIC photophosphorylation because
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water molecules need to be phosphorylated before they can split
the Calvin cycle requires more ATP than NADPH
there is no sunlight
they need to change into CAM plants
The final electron acceptor at the end of the ETC is ______________
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oxygen
NADP+
cytochrome
ATP synthase
Which molecule acts as the donor to replace the electrons lost when chlorophyll is energized by sunlight?
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oxygen
carbon dioxide
water
glucose
Where do H+ ions build up during the light dependent reactions?
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stroma
thylakoid lumen
outside the grana membranes
in the stomata
Where are the enzymes involved in the light independent reactions located?
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thylakoid space (lumen)
stroma
cytoplasm
Golgi bodies
The movement of____________ down an electrochemical gradient through ATP synthase provide the energy for the phosphorylation of ADP.
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water molecules
chlorophyll molecules
hydrogen ions
NADPH
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