Yeast Ctf18-RFC (IMAGE) Van Andel Research Institute Caption DNA replication is a complex process with many moving parts. In baker's yeast, the molecular complex Ctf18-RFC keeps parts of the replication machinery from falling off the DNA strand. Human cells use a similar mechanism. Credit Courtesy of Dr. Huilin Li, Van Andel Institute Usage Restrictions Please include attribution License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.