KEY TAKEAWAYS •
Bacteria are prokaryotic cells that lack a nucleus and defined, membrane-bound organelles.
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Bacteria can be of several different shapes and can be found in different organization types, even though they are technically single-celled organisms.
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Bacteria divide by binary fission, in which there is the production of identical daughter cells.
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Bacteria have different ways of fixing carbon to make structural components of the cells.
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The main way that bacteria move is through flagella, which are powered by an electrochemical gradient.
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