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Photosynthesis and Respiration

Photosynthesis and Respiration
In the initial step of photosynthesis, sunlight energizes the electron pair of

carbon dioxide
chlorophyll pigments
water
adenosine triphosphate (ATP)

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Photosynthesis and Respiration
More ATP is manufactured during __________ than at any other time in all of cellular metabolism.

fermentation
oxidative phosphorylation
glycolysis
the light reactions of photosynthesis

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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

O2
ATP
Sunlight
CO2

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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

NADP+
carbon dioxide
chlorophyll a
chlorophyll b

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

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

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