Figure A1.
Absorbance spectrum of defined M9 growth medium with phenol red at pH 6.5, 7.5, and 8.5
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.