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How doesn't mitosis occur in bacteria?

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Mitosis is nuclear division invoving the formation and separation of complex chromosomes wound from chromatin. Bacteria are prokaryotes whose simple cells have no nucleus or chromatin. read more

Bacteria have a single circular chromosome, as opposed to higher forms that have multiple chromosomes and have no need for a complicated form of division as higher forms do with multiple chromosomes dividing in order to undergo real mitosis. read more

When cells divide by mitosis in the body of a multicellular organism, they cause the organism to grow larger or replace old, worn-out cells with new ones. In the case of a bacterium, however, cell division isn’t just a means of making more cells for the body. Instead, it’s actually how bacteria reproduce, or add more bacteria to the population. read more

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