Learn.Genetics has online educational materials for learning about cells, DNA, proteins, and genetics. The resources include engaging interactives such as the amazing Cell Size and Scale interactive where you can zoom from the scale of a coffee bean down to a carbon atom. Another highlight is a set of Real Cell Videos.
These resources are supported by Teach.Genetics where teachers can find lesson plans, worksheets, video clips, and links to supplement instruction in genetics.
Applications for Science Teachers: High School biology teachers and even college biology instructors will find some well made visual resources for teaching some key concepts in the life sciences.