Explore information about enzymes in the science of biology including what they do, how they work, and things that affect enzyme activity.

Searchable database of restriction enzyme information. Must have more than basic knowledge of restriction enzymes.

Explore practical uses of genetic engineering techniques to generate a plant that produces a hepatitis B protein for potential vaccine use. Examine the use of restriction enzymes for cloning and plasmid mapping.

A great step by step site for how DNA is prepared and plated in the process of electrophoresis.

Through a series of videos and narrated animations, learn how evolution affects gene expression in species. Find out how visualizing gene expression can help explain what a specific gene does.

Problem sets, tutorials, and activities related to biochemistry.

ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.

Read answers and questions about Lyme disease from The American Lyme Disease Foundation which fall under the follwing categories: "Chronic Lyme disease/post-Lyme syndrom," "Prevention," "Risk Assessment," "Testing," "Tick ecology," "Tick...

This site from the MayoClinic.com provides great information on congestive heart failure. The article includes links to topics such as: signs and symptoms, causes, risk factors, screening and diagnosis, complications, treatment and...

This site from Ohio State University provides a good outline of the process of replicating DNA. The outline contains a numerous amount of embedded vocabulary links, illustrations of the process and also review questions and solutions.

A very nice animated basic explanation of the difference between fluorescence and bioluminescence.

At this website, learn other names for maple syrup urine disease(MSUD) and read about how the disease affects one's metabolism. Includes contact information for organizations related to MSUD. A longer version of this article can be...