This animation from NOVA: "Battle in the War on Cancer: Breast Cancer" describes how oncogenes cause cancer and how cancerous cells can spread throughout the body.

Cell division is the only way single-celled organisms can reproduce. Learn more about cell division and explore the phases, checkpoints, and protein regulators of the cell cycle in this interactive. Find out how mutated versions of these...

Within every cell in our body, two copies of a tumor suppressor gene called BRCA1 are tasked with regulating the speed at which cells divide. This learning module explains how these genes can sometimes mutate, making those cells less...

An information sheet where students fill in the appropriate words to complete the page on cell division. Also included on page is diagrams of binary fission and cell division.