When your AP biology class is studying DNA and genomes, this instructional activity will provide a detailed review. On the first page are diagrams and matching SEM (scanning electron microscope) images of different levels of DNA packing...

A complete, student-led lesson on cell structure, cell division, and cancer growth. Students work their way through illustrations and animated tutorials, and answer review questions along the way. There is a self-checking quiz at the end...

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.