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Photosynthesis and Respiration

Photosynthesis and Respiration
NADP+ is reduced to NADPH during

photorespiration
light dependent reactions
none of these
calvin cylcle

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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

cell membrane
mitochondria
none of these
endoplasmic reticulum

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Photosynthesis and Respiration
Carbon dioxide is reduced in

noncyclic photophosphorylation
the light reactions
both light and dark reactions
the Calvin cycle

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

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

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Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

600 nm
700 nm
750 nm
550 nm

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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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