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.
Khan Academy
Khan Academy: Atp and Reaction Coupling
Test your knowledge on ATP and reaction coupling with this quiz.
Vision Learning
Visionlearning: Energy in Living Systems: Generation of Atp
Explanation of biochemical processes in cells during metabolism. Focus is on the generation of ATP.
CPALMS
Cpalms: Energy and Cellular Respiration
Learn how food is broken down to produce energy for cells in the in the form of ATP in this interactive tutorial.
McGraw Hill
Glencoe Biology: Cellular Energy: Chapter Test Practice
Try these fifteen multiple-choice review questions over cellular energy.
Other
Bristol University: Molecule of the Month:atp (Chime)
A great page for all around biochemistry and background. This version of the Bristol University site requires the CHIME plug-in to view the 3-D molecule. It is worth the time to download CHIME if you visit a lot of biochemistry or...
CK-12 Foundation
Ck 12: Glucose and Atp
[Free Registration/Login may be required to access all resource tools.] Students take a look at glucose and ATP. They will be able to explain the structure of ATP and will learn how ATP is a source of energy for a cell.
CPALMS
Florida State University Cpalms: Florida Students: Atp: Fuel for Cells
A tutorial that looks at the energy source ATP.
PBS
Pbs Learning Media: Mitochondria
Often referred to as the powerhouses of the cell, mitochondria provide the energy that powers nearly every cellular process. This essay by university lecturer John Ross describes in detail the structures and functions of these amazing...
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.
Open Curriculum
Open Curriculum: Into the Mitochondrion: Making Atp With Oxygen
The aim of this article is to relate the history of oxygen in the atmosphere to the evolution of photosynthesis, aerobic respiration, mitochondria, and life on earth.
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.
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.
Other
Bristol University:molecule of the Month:atp(chemsymph.)
Great page for the general background and biochemistry of the molecule. This version of the Bristol University site offers a Java Applet version of the molecule that offers 3-D manipulation of the molecule. The CHIME version is better,...
ClassFlow
Class Flow: Cellular Respiration
[Free Registration/Login Required] This is a comprehensive, engaging overview of catabolic pathways that yield energy by oxidizing organic fuel. Students explore redox reactions, oxidation, reduction, and preview the stages of cellular...
Sophia Learning
Sophia: Active Transport: Lesson 4
This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 4 of 4 in the series titled "Active Transport."
Sophia Learning
Sophia: Active Transport: Lesson 1
This lesson introduces the process of active transport, explaining that it is a form of transport that requires energy, and moves molecules against their concentration gradient. It is 1 of 4 in the series titled "Active Transport."
Khan Academy
Khan Academy: Cellular Respiration Review
Review concepts covered in high school biology dealing with cellular respiration. Page includes vocabulary as well as charts to explain the process.
BBC
Bbc: Gcse Bitesize: What Happens During Cellular Respiration? Ocr 21 C
This lesson focuses on what happens during cellular respiration including how energy is released as APT and why organisms need energy in that form. A link to a test is provided.
CK-12 Foundation
Ck 12: Life Science: Cellular Respiration
[Free Registration/Login may be required to access all resource tools.] How does the food you eat provide energy? Through the process of cellular respiration, the energy in food is changed into energy that can be used by the body's...
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.
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.
Other
Johnson County Community College: Active Transport
This site provides a short but factual description of active transport. An animation displaying the process of active transport is also provided.