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Photosynthesis and Respiration

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

ATP
NADP+
CO2
FADH2

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Photosynthesis and Respiration
NADP+ is reduced to NADPH during

calvin cylcle
none of these
photorespiration
light dependent reactions

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

Cytochrome reductase
NADP reductase
Glycerol kinase
Ribulose bisphosphate carboxylase

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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

water
carbon dioxide
chlorophyll pigments
adenosine triphosphate (ATP)

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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

none of these
endoplasmic reticulum
cell membrane
mitochondria

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