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Photosynthesis and Respiration

Photosynthesis and Respiration
A cyclic electron transport process is the characteristic of

methane oxidation
methane production
photosynthesis
sulfide oxidation

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Photosynthesis and Respiration
If the oxygen is labeled in CO2 and provide this CO2 to a plant, where it is expected to find this labeled oxygen after the plant had undergone photosynthesis?

In the oxygen given off by the plant
In the NADPH
In the carbohydrate produced
In the water used

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Photosynthesis and Respiration
Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

Sunlight
CO2
ATP
O2

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Photosynthesis and Respiration
The end products of noncyclic photophosphorylation are

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

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

Cytochrome reductase
Glycerol kinase
NADP reductase
Ribulose bisphosphate carboxylase

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Photosynthesis and Respiration
Electron transport systems play a vital role in

light-dependent reactions
photorespiration
all of these
Calvin cycle

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