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.
Fluorescent labeling of TC in living HeLa cell nucleus: TCs (red) are shown to colocalize with RNA-Pol II antibody (green) in cell nucleus where H2B-EGFP is shown in gray. White line marks out the nuclear boundary Scale bar: 2 μm.