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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?

ATP
O2
Sunlight
CO2

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

NADP+
NAD+
ADP
FADH

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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

3-phosphoglyceric acid
ribose tri phosphate
ribulose phosphate
ribulose diphosphate

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

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

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