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Microbial Metabolism

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

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

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

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

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Microbial Metabolism
In establishing proton gradient for chemiosmotic ATP generation by aerobic respiration the terminal electron acceptor is

oxygen
CO2
sulfate
nitrate

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Microbial Metabolism
As the electron flow through the chains, much of their free energy is conserved in the form of ATP. This process is called

dehydrogenations
electromotive potential
oxidative phosphorylation
none of these

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Microbial Metabolism
If ΔG of a chemical reaction is positive in value and keq is less than 1 then the chemical reaction will

none of these
proceed in reverse direction
proceeed in forward direction
not take place in any of the direction

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Microbial Metabolism
The catabolic reaction, pentose-phosphate exists in

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

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