The mechanism of acquired drug resistance that would prohibit the drug molecule from entering a target cell would be considered: Use of alternate metabolic pathway Drug inactivation Activation of drug pumps Decreased permeability Change in drug binding site

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.