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Microbial Metabolism

Microbial Metabolism
Nitrogen fixation is a process that requires

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

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Microbial Metabolism
Free energy change (ΔG) of a reaction is referred as the amount of energy

liberated or taken up during reaction
liberated during reaction
taken up during reaction
none of these

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

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

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

blue
ultraviolet
infrared
green

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

nitrate
sulfate
CO2
oxygen

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Microbial Metabolism
Hexose monophosphate pathway is also known as

malate pathway
oxaloacetate pathway
fumerate pathway
phosphogluconate pathway

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MORE MCQ ON Microbial Metabolism

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