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.
H+ V-ATPases, as the most powerful generators of membrane potentials in the epithelial cells, are asymmetrically located in the anterior and posterior midguts (see details in the Discussion section).
