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Photosynthesis and Respiration

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

chlorophyll pigments
water
adenosine triphosphate (ATP)
carbon dioxide

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Photosynthesis and Respiration
Where do the protons come from that make up the proton gradient used in the light reactions of photosynthesis?

H2O
Glucose
ATP
NADPH

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Photosynthesis and Respiration
Antenna complexes, electron transport chains, and carbon fixation are all found in

animal cells
bacterial cells
plant cells
association with the reactions of the citric acid cycle

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

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Photosynthesis and Respiration
What is the maximum absorption wavelength for photosystem I in green plants?

750 nm
550 nm
700 nm
600 nm

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

methane oxidation
methane production
sulfide oxidation
photosynthesis

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MORE MCQ ON Photosynthesis and Respiration

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