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.
When the effect of two variables was plotted, the other variable was set at the central level. A, interaction of lactose and peptone; B, interaction of lactose and temperature; C, interaction of peptone and temperature.
