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SlideshowReport

Binary fission, the reproductive mode of bacteria and archaea

Description

1 A bacterium has one circular chromosome that attaches to the inside of the plasma membrane.

2 The cell duplicates its chromo-some, attaches the copy beside the original, and adds membrane and wall material between them.

3 When the cell has almost doubled in size, new membrane and wall are deposited across its midsection.

4 Two genetically identical cells result

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