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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
ATP
H2O
Glucose

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Photosynthesis and Respiration
The cytochrome c oxidase complex

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

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Photosynthesis and Respiration
Hydrogen (electron) acceptor in the light reactions is

NADP+
FADH
NAD+
ADP

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

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

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Photosynthesis and Respiration
As a result of the photosynthetic process, which product is formed?

Carbon dioxide
Oxygen
Water
Both (a) and (b)

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Photosynthesis and Respiration
The vast majority of the molecules that act as energy carriers to power cellular activities are made in

the nucleus
the cytosol
the Golgi apparatus
the mitochondria and chloroplasts

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