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.
Comparison of the relative DNA content of cells undergoing DNA replication. Average fluorescence intensity of nuclei in 12 cells (6 cells from two independent experiments) of the indicated strains germinated in the presence of 6 mM HU for 12 h. Error bars represent the SD observed for each strain.
