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What is Protrusion (Cellular locomotion)?

User Kyranstar
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Final answer:

Protrusion (Cellular locomotion) refers to the movement of particles along the extracellular surface of a cell's plasma membrane. This movement can be achieved through pseudopodia, flagella, or cilia. It is important for functions such as adhesion, response to stimuli, and filtration.

Step-by-step explanation:

Protrusion (Cellular locomotion) refers to the process of movement of particles along the extracellular surface of the cell's plasma membrane. This movement can be achieved through cytoplasmic extensions called pseudopodia or through the rotation or beating of flagella and cilia. Pseudopodia are temporary extensions of the cytoplasmic membrane that allow the cell to attach to a surface and move forward by flowing cytoplasm into the extension. Flagella and cilia are whip-like structures made of microtubules that can be used for swimming. These mechanisms of cellular locomotion are important for various functions such as cell-to-cell adhesion, responding to stimuli, and filtration.

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