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Photosynthesis and Respiration

Photosynthesis and Respiration
The breakdown of glucose occurs by the process known as

anaerobic respiration
fermentation
glycolysis
Krebs cycle

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

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

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Photosynthesis and Respiration
In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

chlorophyll a
carbon dioxide
chlorophyll b
NADP+

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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 reduced
They are what is used during carbon fixation in photosynthesis
They are oxidized

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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
O2 to make new H2O
pyruvate to make ethanol

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

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

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