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Microbial Metabolism

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

Oak trees
Purple sulfur bacteria
Cyanobacteria
Phytoplankton

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Microbial Metabolism
In order to get inorganic phosphorous into organic compounds, the phosphate ion is incorporated via

both (a) and (b)
DNA
oxidative phosphorylation
substrate level phosphorylation

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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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Microbial Metabolism
The major route for incorporation of ammonia (NH4+) into organic compounds is via

all of these
atmospheric nitrogen fixation
oxidation of pyruvate
reduction of pyruvate or alpha-ketoglutarate by enzymes

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Microbial Metabolism
The catabolic reaction, pentose-phosphate exists in

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

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Microbial Metabolism
Phosphate is considered to restrict the induction of

none of these
both (a) and (b)
secondary metabolites
primary metabolites

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MORE MCQ ON Microbial Metabolism

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