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Microbial Metabolism

Microbial Metabolism
Anoxygenic photosynthetic bacteria oxidize

oxgyen
sulfide
ammonia
water

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Microbial Metabolism
Which of the following catalyze liberation of orthophosphate from organic P compounds and inorganic pyrophosphate ?

Hydrogenase
Protease
Alkaline phosphates
Oxidoreductase

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Microbial Metabolism
During the carboxylation phase of the Calvin cycle, CO2 combines with

oxaloacetic acid
pyruvic acid
ribulose 1,5 - bisphosphate
phosphoglyceraldehyde

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Microbial Metabolism
Most of the energy in aerobic respiration of glucose is captured by

long-chain fatty acid oxidation
substrate-level phosphorylation
electron transport of electrons from NADH
the enzyme formic-hydrogen lyase

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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° = nFE°
ΔG° = -nFlnE°
ΔG° = nFlnE°

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Microbial Metabolism
During the reduction phase of the Calvin cycle, phosphoglyceric acid is reduced to______utilizing________as the reduction source.

phosphoglyceraldehyde; NADH+H+
phosphoglyceraldehyde; NADPH+H+
ribulose 1,5 - bisphosphate; NADH+H+
pyruvic acid; NADPH+H+

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