Human liver cells (IMAGE) Technische Universität Dresden Caption Human liver is composed of cells with different amounts of DNA. Most of the cells have just two copies of DNA, as the cell indicated with a white arrow. Some cells accumulate more sets of DNA, like the ones indicated with yellow arrows. Those various types of cells renew differently. Credit Paula Heinke Usage Restrictions No 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.