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Photosynthesis and Respiration

Photosynthesis and Respiration
Which enzyme is involved in carbon-fixation reaction?

Ribulose bisphosphate carboxylase
Cytochrome reductase
NADP reductase
Glycerol kinase

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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
ETS (electron transfer system in light reactions
Calvin cycle

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Photosynthesis and Respiration
Assume the combined processes of photosynthesis and cellular respiration, the electrons that start as part of H2O at the beginning of the light reactions end up attaching to

NADPH to make new glucose
O2 to make new H2O
pyruvate to make ethanol
electron transport carriers to make O2

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Photosynthesis and Respiration
Carbon dioxide is reduced in

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

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Photosynthesis and Respiration
Which one of the following is a product of both cyclic and noncyclic photophosphorylation?

ATP
NADPH
O2
Carbohydrate

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Photosynthesis and Respiration
A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose

all of these
has mitochondria present
produces less CO2
is lacking in O2

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