Short hair-like projections, many bacteria and unicellular eukaryotes make use of cilia for locomotion. Humans also make use of cilia - they are found in the respiratory system and are used to carry mucus.
The cilia are the short, hair-like structures which are present on the surface of an organism. These structures are responsible for locomotion. Thus, the correct option is B .
What is a Cilia?
The cilia (cilium) is a membrane-bound organelle which are found on most types of the eukaryotic cell , and certain microorganisms, these organisms are known as ciliates. Cilia are absent in some organisms like bacteria and archaea . The cilium has the slender thread-like shape with projection that extends from the surface of the cell body.
The functions of** cilia is to cause the movement in water relative to the cell in a regular motion of the cilia**. This process can result in the movement of cell through the water, which is typical for many single-celled organisms.
Therefore, the correct option is B .
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Cilia are short, hair-like structures found on many eukaryotic cells and are used for movement and fluid transport. They are typically much shorter than flagella, which are longer structures. The correct answer to the question is option B: Short, hairlike structures.
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