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Photosynthesis and Respiration

Photosynthesis and Respiration
In noncyclic photophosphorylation, the ultimate acceptor of electrons that have been produced from the splitting of water is

NADP+
chlorophyll b
chlorophyll a
carbon dioxide

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Photosynthesis and Respiration
The cytochrome c oxidase complex

all of these
pumps protons out of the matrix space
donates four electrons to O2
accepts electrons from cyt c

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Photosynthesis and Respiration
Oxidative phosphorylation is to respiration as __________ is to photosynthesis

light capture by chlorophyll
carbon fixation
reduction of NADPH
electron transport chain

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Photosynthesis and Respiration
In oxygenic photosynthesis, the electron donor is

NADH
water
NADPH
oxygen

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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

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

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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?

NADPH
H2O
ATP
Glucose

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MORE MCQ ON Photosynthesis and Respiration

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