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Microbial Metabolism

Microbial Metabolism
The bacteriochlorophylls used by the anoxygenic bacteria have absorbance maxima located in the_____portion(s) of the spectrum.

infrared
green
ultraviolet
blue

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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° = -nFlnE°
ΔG° = nFE°
ΔG° = -nFE°
ΔG° = nFlnE°

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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

electromotive potential
oxidative phosphorylation
dehydrogenations
none of these

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Microbial Metabolism
High energy transfer compounds are capable of

transferring large amounts of free energy
accepting large amounts of free energy
None of these
measuring free energy

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

sulfate
nitrate
oxygen
CO2

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Microbial Metabolism
Which of the following groups contain(s) many unique coenzymes, such as coenzyme M and coenzyme F420?

Methanotrophs (methane-oxidizing microbes)
Acetogens (acetigens; acetate-producing microbes)
Methanogens (methane-producing microbes)
Sulfate-reducing bacteria

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