+Signal transduction is the vital process by which a [Cell](/wiki/Cell) converts an external [Signal](/wiki/Signal) into a specific response. It allows organisms to perceive and react to their environment, orchestrating complex cellular activities and maintaining homeostasis.
+## See also
+- [Cell Communication](/wiki/Cell_Communication)
+- [Receptor](/wiki/Receptor)
+- [Second Messenger](/wiki/Second_Messenger)
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