Khan Academy
Khan Academy: Oxidative Phosphorylation
Article presents an in-depth overview of oxidative phosphorylation which provides most of the ready chemical energy (ATP) used by the cells in your body.
CPALMS
Florida State University Cpalms: Florida Students: Atp: Fuel for Cells
A tutorial that looks at the energy source ATP.
OpenStax
Open Stax: Anatomy & Physiology: Overview of Metabolic Reactions
Students discuss the role of polymers, monomers, and ATP in metabolism, and then describe the hormones that regulate anabolic and catabolic reactions.
CK-12 Foundation
Ck 12: Biology: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of nucleic acids.
Ohio State University
Ohio State University: Respiration
Informative text is clearly written and supported by good illustrations and charts as well. A quiz is also provided at the bottom of the site.
Concord Consortium
Concord Consortium: Stem Resources: Cellular Respiration
Web-based activity provides an opportunity for students to study cellular respiration in an up-close and personal way. By following atoms and molecules through an interactive animation, they will be able to see the changes that take...
Science Struck
Science Struck: Why Is Atp an Important Molecule in Metabolism
A very detailed discussion of ATP. Looks at its structure, how it works, the reactions that take place that use it or produce it, the phosphocreatine system, glycolysis, the lactic acid cycle, aerobic respiration, the citric acid cycle,...
CK-12 Foundation
Ck 12: Anaerobic and Aerobic Respiration
[Free Registration/Login may be required to access all resource tools.] Do you know why oxygen is so important? Module provides a comparison of the advantages and disadvantages of aerobic and anaerobic respiration and discusses the role...
PBS
Pbs Learning Media: Where Do You Get Your Energy?
In this interactive activity adapted from the Exploratorium, students will explore how our cells harvest energy from food.
CPALMS
Florida State University Cpalms: Florida Students: The Mystery of Muscle Cell Metabolism
Explore muscle cell metabolism in this tutorial that covers ATP structure and function.
Biology Pages
Kimball's Biology Pages: Atp (Adenosine Triphosphate)
A good biochemistry site that includes information about the structure of adenosine triphosphate and a description of the role that it plays in the cell.
Biology Pages
Kimball's Biology Pages: Transport Across Cell Membranes
This site has information on how facilitated diffusion of ions takes place through proteins, or assemblies of proteins, embedded in the plasma membrane. Includes a helpful diagram.
City University of New York
The World of Cells: Mitochondria
Check this out if you want only the basic information on structure and function of mitochondria. It is accurate, but not too detailed.
Georgia State University
Georgia State University: Hyper Physics: Energy Cycle From Plants to Animals
Find out about the essential role energy plays in cell function and in sustaining life. Trace energy transformations as they pass from one living thing to another.
University of Arizona
The Biology Project: Biochemistry: Metabolism Problem Set
Do you understand the fundamental concepts of metabolism? You can find out by going through the quizzes and accompanying tutorials of this resource.
Wikimedia
Wikipedia: Adenosine Triphosphate
Wikipedia provides information on adenosine triphosphate (ATP) including chemical properties, biological function, production, other triphosphates, and more.
Estrella Mountain Community College
Online Biology Book: Atp and Biological Energy
Through full-color images and concise information, learn about adenosine triphosphate, or ATP, the molecular unit of energy currency of cells.
Other
The Krebs Citric Acid Cycle Map
Great graphic for review of the Krebs, or citric acid cycles. Click on the terms for tutorial help and definitions.
Other
Dr. Saul: Biology in Motion
This interactive site provides animations and activities in several areas of physiology. The images are simple, but clear. The accompanying text provides a good description of the process being shown.
McGraw Hill
Glencoe Biology: Cellular Energy: Chapter Test Practice
Try these fifteen multiple-choice review questions over cellular energy.
McGraw Hill
Glencoe Biology: How Organisms Obtain Energy: Self Check Quiz
Try these five multiple-choice questions to review how living things obtain energy.
Sophia Learning
Sophia: Mitochondria: Lesson 3
This lesson will discuss the structure and function of the mitochondria. It is 3 of 6 in the series titled "Mitochondria."
Sophia Learning
Sophia: Calvin Cycle: Lesson 1
This lesson will introduce the Calvin cycle, and explain how it converts carbon dioxide to sugar. It is 1 of 4 in the series titled "Calvin Cycle."
CK-12 Foundation
Ck 12: Biology: Glucose and Atp
[Free Registration/Login may be required to access all resource tools.] Overview of glucose and ATP.