Does a protein or DNA store genetic instructions for life? Follow the research from the 1920's experiments on mice through the 1940's experiments on bacteria to learn the answer to the difficult question. Scholars use an online...

Take a look inside the human body's digestive system. This site features diagrams of the digestive tract and each part is accompanied by labels and descriptions. Just select an organ by moving the mouse over its image.

In this interactive site, match the parts of the digestive system with their function.

At this site match parts of the Digestive system with their function in this challenging word search game.

Tutorial explains the processes of restriction digestion and gel electrophoresis and provides an interactive exercise to further your understanding.

This site has an interactive game that allows students to match key parts of the digestive system with their definition.