The eukaryotic cell organelle that most resembles a bacterial cell is the ______.

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The mitochondrion resembles a bacterial cell due to its double membrane structure, its own DNA, and its ability to replicate independently within the cell, similar to how bacteria operate. This resemblance supports the endosymbiotic theory, which suggests that mitochondria originated from free-living bacteria that were engulfed by early eukaryotic cells.

The Eukaryotic Cell Organelle That Most Resembles a Bacterial Cell