This is a good page for explaining the development and function of enzymes. It includes links to help with the chemistry and the biology that comes up.

Reactions in cells must be regulated and one way to do this is using allosteric molecules. These regulators can activate enzymes or inhibit them. This tutorial explains exactly how allosteric regulation works using words, narration, and...

[Free Registration/Login may be required to access all resource tools.] Describes how enzymes speed up biochemical reactions.

[Free Registration/Login may be required to access all resource tools.] Discusses the role of enzymes in biochemical reactions.

How well do you know the relationship between enzymes and activation energy? This resource provides you with short quizzes and tutorials to provide feedback for those topics you don't understand.

[Free Registration/Login may be required to access all resource tools.] In this lesson, students will define enzyme, be able to discuss the role of enzymes in biochemical reactions, and summarize their importance to living organisms.

[Free Registration/Login may be required to access all resource tools.] This activity describes how enzymes speed up biochemical reactions and their importance to living organisms.

The discovery of restriction enzymes and their applications in DNA analysis has proven to be essential for biologists and chemists. This lesson focuses on restriction enzymes and their applications to DNA analysis and DNA fingerprinting....

Through interactive learning exercises, students examine the different definitions of energy and how enzymes regulate how the energy is stored and used during cellular respiration. They also take a close look at photosynthesis to learn...

[Free Registration/Login may be required to access all resource tools.] Explores how enzymes work and their role in chemical reactions in living cells.

Animated learning exercise about all types of enzymes and their uses. Learn how different types of enzymes work and what effects them.

[Free Registration/Login may be required to access all resource tools.] Chemical digestion could not take place without the help of digestive enzymes. An enzyme is a protein that speeds up chemical reactions in the body. Digestive...

Through a combination of slide show tutorials and a video demonstration, learn how enzymes work. [3:00]

Learn about the critical role enzymes play in supporting life as you play games and solve puzzles, and do virtual experiments. Then take a quiz to check your understanding.

For this biology lab, students use pineapple juice as an enzyme, and jello as a substrate to illustrate an enzyme/substrate complex.

Two multiple-choice quizzes, one on the processes and types of biological molecules, the other on the structure and replication of DNA.

Review over the factors that can control enzymatic activity with this article.

Young scholars learn the fundamentals of using microbes to treat wastewater. They discover how wastewater is generated and its primary constituents. Microbial metabolism, enzymes and bioreactors are explored to fully understand the...

Slideshow notes introduce enzymes: their purpose, process, and importance.

Through informational text, interactive activities, step-through animations, and video clips, studnet explore biochemistry and the molecules that make up living things.

Learn about restriction digestion, where the result has sticky ends and blunt ends. Also find out about ligation reactions.

This tutorial takes a brief look at enzyme activity and how enzymes work as catalysts.

Investigate ATP structure, ATP hydrolysis to ADP, and reaction coupling in this article.

[Free Registration/Login Required] Interactive shows a graph illustrating the effect of pH on pepsin's reaction rate.