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.
Cell cycle phases of HeLa cells. (A) A series of cell cycle sequence. Cells in different phases are distinguished by blue, orange and green nuclei for the G1, S and G2/M phases, respectively. (B) Fluorescence microscopic observations of α-tubulin cytoskeleton distribution of HeLa cells synchronized in the G1, S, and G2/M phases (green color indicates GFP-α-tubulin cytoskeleton network).
