An article reviewing over enzymes and active sites.

Learn about the basics of enzyme kinetics graphs, and see examples of the graphs to understand the valuable data that is found on the graph. [12 min, 29 sec]

Learn about these historical experiments having to do with genes being connected to enzymes: Garrod's studies of alkaptonuria and Beadle and Tatum's work with Neurospora mutants.

An article reviewing how energy flows in a cell including metabolic pathways.

An information page about activation energy. Learn about activation energy, transition states, and reaction rates.

In this article, read all about the relationship between spontaneity and equilibrium to the Gibb's free energy change.

Understand how enzymes work with this page that includes animations and explanations. Learn that all enzymes are proteins and have specific catalytic actions.

This lab activity provides students with the experience of using their own enzymes to convert starch to sugar (a disaccharide called maltose), then testing to see if the conversion has taken place.

This article looks at a few of the most important core cell cycle regulators: proteins called cyclins, enzymes called Cdks, and an enzyme complex called the APC/C.

Explore the connection of genes and enzymes in regards to heredity and genetics. Concepts associated with dominant and recessive traits are also presented.

Article looks at different types of receptors and ligands, seeing how they interact to turn information from outside the cell into a change inside the cell.

Questions related to controlling enzyme activity.

Practice for the MCAT by answering questions based on the given graphs about pancreatitis.

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

A brief glossary list of different parts of the digestive system.

Read a passage about the genetic basis of Phenylketonuria(PKU) and answer the follow-up questions.