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Photosynthesis and Respiration

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

water
chlorophyll pigments
adenosine triphosphate (ATP)
carbon dioxide

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

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

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Photosynthesis and Respiration
Which of the following is the reduced form of a temporary electron carrier molecule?

FADH2
CO2
ATP
NADP+

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

none of these
light dependent reactions
calvin cylcle
photorespiration

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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

carbon dioxide
chlorophyll a
NADP+
chlorophyll b

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Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

600 nm
550 nm
750 nm
700 nm

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