An mRNA sequences make proteins, the most common molecules in cells. Young scientists observe translation of mRNA on ribosomes. They view them forming amino acids. Finally, the amino acids curl into proteins.

Aquapores allow water to travel through cell membranes while keeping other molecules out. The animation offers an up-close look at these parts of the cell membrane. It explores multiple vantage points and shows the importance of these...

Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...

Most pupils know about the flu, HIV, and other viruses, but they don't know what each actually looks like. This interactive shows their relative size, structure, and allows for comparisons. It stresses the similarities and differences...

In the 1940s, scientists discovered bacteria conjugation, the process of DNA transfer or bacterial sex. The discovery proved that bacteria and viruses contain DNA and led to a Nobel prize. Interested individuals learn about the...

Biotechnology changes lives every day, but how did it all start? Learn about Cohen and Boyer's technique for recombinant DNA and the founding of this new scientific study. Then, scholars use the online interactive to discover how Hanahan...

Mythic creatures and where to find them is the subject of an engaging interactive resource. Young anthropologists click on a bright red X on a world map to see an image of and learn the stories of 15 legendary creatures.

In this food web worksheet, students create a food web matrix and answer short answer questions about the food chain according to the matrix. Students complete 7 short answer questions.

Investigate the similarities and differences between gram positive and gram negative bacterial cells.

Learn about DNA and decoding the human genome by clicking graphical DNA models. You can also review a timeline that shows important moments in human genetics research. In Spanish.