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Photosynthesis and Respiration

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

NADPH
H2O
ATP
Glucose

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

NADPH
O2
Carbohydrate
ATP

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Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

oxygen
NADPH
NADH
water

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Photosynthesis and Respiration
In cells having organelles, the steps of the Krebs cycle and the electron transport system occur in the

cell membrane
endoplasmic reticulum
mitochondria
none of these

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Photosynthesis and Respiration
The followings are the products of the light reactions of photosynthesis except

oxygen
NADPH
glucose
ATP

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Photosynthesis and Respiration
Where does the O2 come from that is essential for the proper functioning of oxidative phosphorylation?

Fermentation
Light reactions of photosynthesis
Carbon fixation
Dark reactions of photosynthesis

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