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Bacteria do not have cilia. They have fimbriae and flagella.
Some methanogenic bacteria (which are anaerobic) do have flagella. You can read more in the related link
Some bacteria have flagella, some only have one flagellum, and some just float around like a leaf in a river
Flagella on any cell (including bacteria) move it towards some goal.
move
Bacteria do not have cilia. They have fimbriae and flagella.
Motion.
Some methanogenic bacteria (which are anaerobic) do have flagella. You can read more in the related link
Some bacteria have flagella, some only have one flagellum, and some just float around like a leaf in a river
Flagella on any cell (including bacteria) move it towards some goal.
Flagella
move
Some bacteria have a whip-like tail called aflagellum. This structure is essential for locomotion, or motility.
No. Only some bacteria have a flagellum.
The role of a flagella in a bacterial cell is motility. Through the back and forth movements of the flagella bacteria can propel themselves through their environment. The flagella also help bacteria undergo chemotaxis, the ability to move away from some stimuli and move towards others.
Some bacteria have flagella, which appearance resembles a long thin tail. They use this to move around. Others "squirm" and glide.
Flagella is a part of the cell which allows the cell to move. Bacteria which have flagella are not always pathogenic. Some, like Heliobacter pylori have a flagella and cause stomach ulcers in some patients. Thus, a flagella is not an indication of pathogenicity.