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Photosynthesis and Respiration

Photosynthesis and Respiration
The followings are the products of the light reactions of photosynthesis except

glucose
ATP
NADPH
oxygen

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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

NADPH to make new glucose
electron transport carriers to make O2
pyruvate to make ethanol
O2 to make new H2O

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

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

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Photosynthesis and Respiration
The manufacture of ATP in both photosynthesis and respiration is made possible by

the existence of a proton gradient across specific membranes
All of these
the action of ATP synthase
energy from the movement of electrons

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Photosynthesis and Respiration
Rubisco (RuBP Carboxylase-oxygenase enzyme), glyceraldehyde 3-phosphate, and NADPH all play a role in

cellular respiration when O2 is present
the dark reactions of photosynthesis
the breakdown of glucose into CO2
alcohol fermentation

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Photosynthesis and Respiration
Electron transport systems play a vital role in

light-dependent reactions
Calvin cycle
all of these
photorespiration

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