ike all eukaryotes, the protozoan Giardia has undergone lateral gene transfer as shown by the presence of the gene cpn60 in its nuclear genome. What does cpn60 do in Giardia?   A. It has no known function. B. It codes for an essential transcription factor. C. It codes for a component of the electron transport chain. D. It codes for a molecular chaperone that aids in the folding of mitochondrial protein.

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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.