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Photosynthesis and Respiration

Photosynthesis and Respiration
In algae, photosynthesis takes place in

None of these
cell membrane
choloroplasts
mitochondria

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

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

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Photosynthesis and Respiration
During the light-dependent reactions of photosynthesis, which of the following does not occur?

Splitting of water
Absorption of light energy by photosystems
Carbon dioxide fixation
Release of oxygen

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Photosynthesis and Respiration
The rate of photorespiration in most plants increases at.higher temperatures. Some plants have evolved a somewhat round-about system to deal with this problem. This series of reactions is called

ETS (electron transfer system in light reactions
Calvin cycle
C4 pathway
Photosystem II

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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
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 reduced
They are oxidized

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