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Photosynthesis and Respiration

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

chlorophyll pigments
carbon dioxide
adenosine triphosphate (ATP)
water

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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Photosynthesis and Respiration
The electrons that are released by the splitting of water during photosynthesis ultimately end up in

rubisco
O2
ATP
NADPH

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Photosynthesis and Respiration
The breakdown of glucose occurs by the process known as

Krebs cycle
anaerobic respiration
fermentation
glycolysis

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Photosynthesis and Respiration
Electron transport systems play a vital role in

Calvin cycle
light-dependent reactions
all of these
photorespiration

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Photosynthesis and Respiration
Rubisco (RuBP Carboxylase-oxygenase enzyme), glyceraldehyde 3-phosphate, and NADPH all play a role in

the breakdown of glucose into CO2
the dark reactions of photosynthesis
cellular respiration when O2 is present
alcohol fermentation

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