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.
Freeze fracture replicas of Ras-transformed MDCK cells untreated (a) or treated with PD98059 for 10 (b) or 20 h (c and d). (e–g) Electron microscopic images of thin sections corresponding to Ras-transformed MDCK cells untreated (a) or treated with PD98059 for 20 h (c and d). Bar, 100 nm.
