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Photosynthesis and Respiration

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

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

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Photosynthesis and Respiration
The electrons that are released by the splitting of water during photosynthesis ultimately end up in

ATP
rubisco
NADPH
O2

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

carbon dioxide
water
adenosine triphosphate (ATP)
chlorophyll pigments

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Photosynthesis and Respiration
In the Calvin cycle, carbon dioxide is fixed in a reaction with the

ribulose diphosphate
ribulose phosphate
3-phosphoglyceric acid
ribose tri phosphate

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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

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

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