An official website of the United States government
Here's how you know
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.
Analysis of morphological changes of E. faecalis harvested from the exponential-growth phase during incubation in tap water. Over the entire experiment some representative photographs obtained after 24 h (A), 3 weeks (B), 4 weeks (C), and 7 weeks (D) are shown.