An article that reviews over the different types of energy: kinetic, potential, and chemical.

This site is a retired biology professor's explanation of restriction enzymes. Good visual showing examples of how enzymes cut DNA to produce blunt or sticky ends.

Learn about the ELISA test in this learning module. Explore how the Enzyme Linked Immunosorbent Assay (ELISA) test can be used to see if certain antigens are present.

Explains what is meant by enzyme activity and the factors that impact on their ability to function. Looks at temperature, pH value, substrate concentration, enzyme concentration, the presence of inhibitors, and allosteric factors that...

Read about phenylketonuria and the tests used to diagnose it in those who might have inherited this recessive trait.

Discusses what happens during DNA replication and describes the prime replication enzymes found in eukaryotes.

Learn the roles of DNA polymerases and other replication enzymes. Understand the leading and lagging strands and Okazaki fragments.

Experiment with factors that affect the activity of the weed killer Roundup. The Science Buddies project ideas are set up consistently beginning with an abstract, objective, and introduction, followed by a section on terms, concepts, and...