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You are watching: Eukaryotic flagella differ from bacterial flagella because only eukaryotic flagella


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Take a microscopic look at how a eukaryotic flagellate"s flagellum propels the organism v water

flagellum, plural flagella, hairlike structure that acts mostly as one organelle the locomotion in the cell of countless living organisms. Flagella, characteristic of the protozoan group Mastigophora, likewise occur top top the gametes of algae, fungi, mosses, slime molds, and animals. Flagellar motion reasons water currents crucial for respiration and circulation in sponges and also coelenterates. Many motile bacteria move by means of flagella.

The structures and also pattern of activity of prokaryotic and also eukaryotic flagella space different. Eukaryotes have one to plenty of flagella, which move in a characteristics whiplike manner. The flagella very closely resemble the cilium in structure. The core is a bundle of nine pairs the microtubules neighboring two central pairs of microtubules (the so-called nine-plus-two arrangement); each microtubule is created of the protein tubulin. The coordinated sliding of these microtubules confers movement. The basic of the flagellum is anchored come the cell by a basal body.



Many bacteria space motile, able to swim with a liquid medium or glide or swarm throughout a hard surface. Swimming and swarming bacteria...

Bacterial flagella are helically shaped structures containing the protein flagellin. The base of the flagellum (the hook) close to the cell surface ar is attached to the basal human body enclosed in the cabinet envelope. The flagellum rotates in a clockwise or counterclockwise direction, in a motion similar to the of a propeller.

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The motion of eukaryotic bio flagella relies on adenosine tree phosphate (ATP) because that energy, while that of the prokaryotes start its energy from the proton-motive force, or ion gradient, throughout the cabinet membrane.