A Set Of Flagella At Either End Of The Bacterial Body
This electron micrograph image of Helicobacter pylori, the bacteria that causes stomach ulcers in humans, shows the bacteria dividing. Flagella, which help the bacteria move, protrude from one end of each bacterium.


(photo: Kathryn Eaton, Ohio State University)


One Set Of Flagella Emerging From A Large Black Body
An electron micrograph image of Helicobacter pylori, the bacteria responsible for causing stomach ulcers in humans.

(photo: Kathryn Eaton, Ohio State University)


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