http://en.wikipedia.org/wiki/Chemotaxis
Although chemotaxis is the most frequently studied form of migration there are several other forms of locomotion in the cellular level. Chemokinesis is also induced by molecules of the liquid phase of the surrounding environment; however, the response elicited is a not vectorial, random taxis. Neither amplitude nor frequency of motion has characteristic, directional components, as this behaviour provides more scanning of the environment than migration between two distinct points.
Although chemotaxis is the most frequently studied form of migration there are several other forms of locomotion in the cellular level. Chemokinesis is also induced by molecules of the liquid phase of the surrounding environment; however, the response elicited is a not vectorial, random taxis. Neither amplitude nor frequency of motion has characteristic, directional components, as this behaviour provides more scanning of the environment than migration between two distinct points.
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