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

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

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Microbial Metabolism
The mechanism of passive or facilitated diffusion require

accumulation of solute against an electrochemical gradient
concentration of solute against an electrochemical gradient
accumulation or concentration of solute against an electrochemical gradient
metabolic energy

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Microbial Metabolism
ATPase

carries out each of the reactions indicated in (a) and (b)
extrudes protons from the cell coupled to the hydrolysis of ATP to ADP
is the enzyme that incorporates ATP into messenger RNA
synthesizes ATP, coupled to transfer of extracellular protons into the cell

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