31. "Scientists have known for years that lactic acid present on human skin is a mosquito attractant . 32. Skatole has been shown to be an attractant to gravid mosquitoes in both field and laboratory conditions. 33. This response suggests that hyperactivation serves as method to quickly guide sperm through chemo-attractant gradient. 34. This system may be more ecologically relevant and little evidence suggests schreckstoff evolved as a predator attractant . 35. In one form of mating disruption, males are attracted to a powder containing female attractant pheromones. 36. Rao has uncovered major components in the signal transduction pathways for Slit and the axon attractant Netrin. 37. It serves important functions, being a chemo-attractant for macrophages, fibroblasts and endothelial cells. 38. Yet their presence in academia ( when they are not off giving concerts ) is a strong attractant . 39. Henderson concludes, " Virtually every attractant scent on the market will work under the right conditions. 40. Bacteria swam more smoothly due to a counterclockwise rotation of their flagella in the presence of increasing attractant .
