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Photosynthesis and Respiration

Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

oxygen
water
NADPH
NADH

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

sulfide oxidation
methane production
methane oxidation
photosynthesis

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

adenosine triphosphate (ATP)
chlorophyll pigments
carbon dioxide
water

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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
ATP
NADPH
Glucose

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

light dependent reactions
calvin cylcle
none of these
photorespiration

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Photosynthesis and Respiration
Which of the following is the reduced form of a temporary electron carrier molecule?

NADP+
ATP
CO2
FADH2

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