BOX 1. BOX 1: RIF1 AND PP1 PHOSPHATASES CONTROL REPLICATION TIMING IN EUKARYOTES .
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.