CK-12 Foundation
Ck 12: Enzymes
[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.
Khan Academy
Khan Academy: Types of Catalysts
What is a catalyst? This Khan Academy resource includes examples of enzymes, acid-base catalysis, and heterogeneous (or surface) catalysis.
CK-12 Foundation
Ck 12: Physical Science: Enzymes as Catalysts
[Free Registration/Login may be required to access all resource tools.] Explores how enzymes work and their role in chemical reactions in living cells.
The Association of the British Pharmaceutical Industry
Abpi: Enzymes
Animated learning exercise about all types of enzymes and their uses. Learn how different types of enzymes work and what effects them.
CK-12 Foundation
Ck 12: Biology: Enzymes
[Free Registration/Login may be required to access all resource tools.] Discusses the role of enzymes in biochemical reactions.
Sophia Learning
Sophia: Enzymes Proteins That Pack a Punch!
Through a combination of slide show tutorials and a video demonstration, learn how enzymes work. [3:00]
Science Buddies
Science Buddies: Explore Enzyme Activity
In this science activity, you will investigate the enzyme called catalase to find out how it helps to protect your body from cell damage.
Science Education Resource Center at Carleton College
Serc: How Enzymes Work
In this biology lab, students use pineapple juice as an enzyme, and jello as a substrate to illustrate an enzyme/substrate complex.
K Science
K Science: Enzymes
Several animations illustrating how enzymes catalyze chemical reactions. Examine how temperature affects the enzymes and how toxins can alter the shape of the enzymes.
Sophia Learning
Sophia: Catalyst: Lesson 2
This lesson will describe that a catalyst is something which can speed up a reaction by lowering activation energy. It is 2 of 4 in the series titled "Catalyst."
Sophia Learning
Sophia: Catalyst: Lesson 4
This lesson will describe that a catalyst is something which can speed up a reaction by lowering activation energy. It is 4 of 4 in the series titled "Catalyst."
Sophia Learning
Sophia: Catalyst: Lesson 1
This lesson will describe that a catalyst is something which can speed up a reaction by lowering activation energy. It is 1 of 4 in the series titled "Catalyst."
Concord Consortium
Concord Consortium: Molecular Workbench: Enzyme Substrate Docking
View this simulation to observe the docking process for a substrate and an enzyme.
Other
University of Akron: General, Organic, and Biochemistry: Enzymes [Pdf]
Slideshow notes introduce enzymes: their purpose, process, and importance.
Chem4kids
Chem4 Kids: Biochemistry: Enzymes
This tutorial takes a brief look at enzyme activity and how enzymes work as catalysts.
Bio Topics
Bio Topics: How Enzymes Work
Understand how enzymes work with this page that includes animations and explanations. Learn that all enzymes are proteins and have specific catalytic actions.
BBC
Bbc: Gcse Bitesize: Enxymes
This lesson focuses on enzyme-catalysed reactions and the effect of temperature, substrate concentration, and pH on the reaction rate. It provides a link to an assessment.
Science Buddies
Science Buddies: I Love Ice Cream, but It Doesn't Love Me: Lactose Intolerance
Pizza, milk shakes, and ice cream sundaes all contain dairy products, therefore they cannot be eaten by the majority of people around the world. Dairy products contain the sugar molecule lactose, and the majority of people on the planet...
TED Talks
Ted: Ted Ed: Activation Energy Kickstarting Chemical Reactions
Chemical reactions are constantly happening in your body - even at this very moment. But what catalyzes these important reactions? Vance Kite explains how enzymes assist the process, while providing a light-hearted way to remember how...
University of Tulsa
University of Tulsa: Cell Energetics
This is the index page for a slide series on cell energetics. Among the topics covered in the series is the role of enzymes in the metabolic process. Use the topic list to go straight to any slide.
American Chemical Society
American Chemical Society: Hompage
ChemCenter, available from the American Chemical Society, provides chemistry news, reference sources and other public services.
OpenStax
Open Stax: Chemical Reactions
This site provides an overview of the role of energy in chemical reactions.
ClassFlow
Class Flow: Rates of Change
[Free Registration/Login Required] This is part 4 of a 4 part series to include the nature of chemical reactions, reaction types, and balancing chemical equations.
University of Arizona
University of Arizona: Biochemistry
Problem sets, tutorials, and activities related to biochemistry.