Bioremediation is a promising technology for effective, inexpensive treatment for trichloroethene (C2HCl3), a human carcinogen and a priority water pollutant. a.Under aerobic conditions, oxygenase-expressing bacteria, such as, Mycobacterium aurum can oxidize trichlorothene to CO2. Identify the electron donor and electron acceptor for the redox half-reactions. Write the balanced overall reaction. b.Under anaerobic conditions, reductively dechlorinating bacteria, such as Dehalococcoides sp. can convert trichloroethene to ethene while using acetate (CH3COO-) as carbon source. Identify the electron donor and electron acceptor for the redox half-reactions. Write the balanced overall reaction.

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