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Microbial Metabolism

Microbial Metabolism
The reactions of the cell that are carried out for capturing energy are called

metabolism
activation energy
catabolism
anabolism

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Microbial Metabolism
Standard free energy change (ΔG) can be expressed as

ΔG° = R/Tlnkeq
ΔG° = -RT/lnkeq
ΔG° = RTlnkeq
ΔG° = -RTlnkeq

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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
Incorporation of atmospheric N2to NH4+ occurs via the process of

deamination
transamination
nitrogen fixation
assimilatory nitrate reduction

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Microbial Metabolism
Bacteriochlorophyll differs from chlorophyll in what way?

Both (b) and (c)
There are chemical differences between the two chlorophyll in their side (R) groups
The chelated metal in bacteriochlorophyll is not Mg
They have different absorption spectra

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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)
substrate level phosphorylation
oxidative phosphorylation
DNA

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