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PHOTOSYNTHESIS AND RESPIRATION

Photosynthesis and Respiration
Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

O2
CO2
ATP
Sunlight

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Photosynthesis and Respiration
Hydrogen (electron) acceptor in the light reactions is

ADP
NADP+
NAD+
FADH

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Photosynthesis and Respiration
The cytochrome c oxidase complex

pumps protons out of the matrix space
all of these
donates four electrons to O2
accepts electrons from cyt c

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribulose phosphate
3-phosphoglyceric acid
ribulose diphosphate
ribose tri phosphate

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

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

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