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Benthic Microbial Fuel Cells are basically a microbial fuel cell. Instead of the anode being placed deep into sediment [MFC]- the anode is placed in a chamber where monitored amounts of neutrients/fresh water can enter and be controlled [BFMC]

A biological fuel cell is another term for a microbial fuel cell, a bio-electrochemical system which drives a current by mimicking bacterial interactions found in nature.

Acetate is simply the fuel or food for the bacteria. It is their carbon source and the electron donor.

A microbial cell is pathogenic bacterium. Microbes are microorganisms and can cause illness in hosts that they feed off of.