FIG. 2.
Oxygen concentrations in a closed bioreactor with Euglena gracilis during 1 h–1 h dark-light cycles. The gray line indicates the light status. After 12 days, the illumination was switched to constant light.
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.