Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Concentration-response curves of the effect of the tested alkyl lactones on planarian motility, as indicated. The lines were generated by fitting the data to equation 1. The fit parameters are shown in Table 1. Each data point represents the average of 8 to 14 worms; the error bars represent the standard error of the mean.
