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Microbial Metabolism

Microbial Metabolism
Which of the following does not produce oxygen as a product of photosynthesis?

Phytoplankton
Cyanobacteria
Purple sulfur bacteria
Oak trees

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Microbial Metabolism
Anoxygenic photosynthetic bacteria oxidize

oxgyen
water
sulfide
ammonia

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Microbial Metabolism
Aerobic catabolism of glucose yields how much energy (ATP synthesized) relative to glucose fermentation?

About the same
Slightly less
More than 10 times as much
Twice as much

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Microbial Metabolism
Incorporation of atmospheric N2to NH4+ occurs via the process of

deamination
assimilatory nitrate reduction
nitrogen fixation
transamination

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Microbial Metabolism
The catabolic reaction, pentose-phosphate exists in

eukaryotic cells
none of these
prokaryotic cells
prokaryotic and eukaryotic cells both

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Microbial Metabolism
The relationship between an oxidation-reduction potential difference and the standard free energy change is (where n is the number of moles of electron transferred, F= Faraday's constant and E°= standard oxidation-reduction potential difference)

ΔG° = -nFE°
ΔG° = nFlnE°
ΔG° = nFE°
ΔG° = -nFlnE°

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