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wwa. turite two chemical andtwo materials deeuires tonconduct the experimenttheati and .carbon dioxideare evolued during anaerobicrespiration.".

Answer»

Anaerobic respirationisrespirationusingelectron acceptorsother thanmolecular oxygen(O2). Although oxygen is not the final electron acceptor, the process still uses a respiratory electron transport chain.[1]

Inaerobic organismsundergoing respiration, electrons are shuttled to anelectron transport chain, and the final electron acceptor is oxygen.Molecular oxygenis a highlyoxidizing agentand, therefore, is an excellent electron acceptor. Inanaerobes, other less-oxidizing substances such assulphate(SO42−),nitrate(NO3−),sulphur(S), orfumarateare used. These terminal electron acceptors have smallerreduction potentialsthan O2, meaning that less energy is released per oxidized molecule. Therefore, generally speaking, anaerobic respiration is less efficient than aerobic.



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