Topic summary
Chemoattractant
Extracted from the Wikipedia article Chemotaxis.
Chemoattractants and chemorepellents
Chemoattractants and chemorepellents are inorganic or organic substances possessing chemotaxis-inducer effect in motile cells. These chemotactic ligands create chemical concentration gradients that organisms, prokaryotic and eukaryotic, move toward or away from, respectively.