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Photosynthesis and Respiration

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

oxygen
NADPH
ATP
glucose

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Photosynthesis and Respiration
As a result of the photosynthetic process, which product is formed?

Oxygen
Both (a) and (b)
Water
Carbon dioxide

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Photosynthesis and Respiration
Carbon dioxide is reduced in

both light and dark reactions
noncyclic photophosphorylation
the light reactions
the Calvin cycle

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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

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

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

O2, ATP and NADPH
water, ADP and NADP+
carbon dioxide, ATP and water
carbon dioxide, PGAL (phosphoglyceraldehyde), and H2

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Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

O2 needed for the dark reactions
electrons needed to reduce NADH
electrons needed to reduce P680
electrons needed for cyclic photophosphorylation

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