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Microbial Metabolism

Microbial Metabolism
Nitrogen fixation is a process that requires

an anaerobic environment
both (a) and (b)
energy
an aerobic environment

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Microbial Metabolism
If radioactive bicarbonate was supplied to bacterial cells, which were actively synthesizing fatty acids, it is expected to find the bulk of the radioactivity in

the fatty acids
cellular bicarbonate
nucleic acids
the cytoplasmic membrane

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Microbial Metabolism
The catabolic reaction, pentose-phosphate exists in

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

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

Alkaline phosphates
Hydrogenase
Oxidoreductase
Protease

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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° = -nFlnE°
ΔG° = -nFE°

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Microbial Metabolism
Phosphate regulation has been observed in the production of

gibberelins
antibiotics
alkaloids
all of these

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MORE MCQ ON Microbial Metabolism

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