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.
Response of tethered cells of R. sphaeroides WS8 to a gradient of acetate increasing at a rate of 0.9 μM/s. The graphs show the concentration of acetate (A), the mean stop probability of a population of 10 cells (B), and the rotation rate of a typical cell (C) versus time.
