A cell nucleus The Nucleus controls the activities of a cell through regulating gene expression. These cell activities include metabolism, growth and reproduction. Nuclei are found in both animal cells and plant cells. This article is a stub. You can help Science Wiki by expanding it. Retrieved from "https://sciences.fandom.com/wiki/Nucleus?oldid=4727" Categories: Stubs Biology Cells Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.