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Photosynthesis and Respiration

Photosynthesis and Respiration
Which of the following serves as a reactant in photosynthesis and a product in cellular respiration?

ATP
O2
Sunlight
CO2

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Photosynthesis and Respiration
A eukaryotic cell that can carry out only fermentation instead of the complete aerobic respiration of glucose

is lacking in O2
has mitochondria present
produces less CO2
all of these

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

Krebs cycle
fermentation
anaerobic respiration
glycolysis

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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?

ATP
Glucose
NADPH
H2O

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

adenosine triphosphate (ATP)
carbon dioxide
water
chlorophyll pigments

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Photosynthesis and Respiration
In oxygenic photosynthesis, water is split in order to provide the

O2 needed for the dark reactions
electrons needed for cyclic photophosphorylation
electrons needed to reduce P680
electrons needed to reduce NADH

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