how bacreria undergo respiration despite it lacks mitochondria
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Answer: Bacteria do not have mitochondria, yet most bacterial cells are capable of aerobic respiration. Where in the bacterial cell are the various components of respiratory metabolism localized? Essentially, the cytoplasm and plasma membrane of a bacterial cell perform the same functions as the mitochondrial matrix and inner membrane, respectively. Therefore, in bacteria, most of the enzymes of the TCA cycle are found in the cytoplasm, whereas the electron transport proteins are located in the plasma membrane. The FoF1 complex is also localized to the plasma membrane in bacteria, with the Fo component embedded in the membrane and the F1 component protruding from the membrane into the cytoplasm."
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