Whip-like structures which are used for movement in bacteria?

Question: Whip-like structures which are used for movement in bacteria?

If you are interested in learning about how bacteria move, you might want to know about the whip-like structures that they use for locomotion. These structures are called **flagella** and they are made of a protein called flagellin. Flagella are helical and rotate like a propeller to push the bacterial cell through the liquid medium. The rotation of the flagella is controlled by a process called **chemotaxis**, which is triggered by stimuli that are released on the flagella. Chemotactic mediators are proteins that bind to membranes and cause cells to move toward or away from the stimuli, depending on whether they are beneficial or harmful for the bacteria. Flagella are found in many types of bacteria, such as Escherichia coli and Salmonella enterica, and they play an important role in their survival and pathogenicity.

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