Chem4kids
Chem4 Kids: Cycles Around You
There are many cycles occurring in all of the Earth's organisms, including the Earth itself. This brief page highlights some of those cycles, making readers aware of how many cycles there are, big and small.
Khan Academy
Khan Academy: Steps of Cellular Respiration
Resource walks you through the four major stages of cellular respiration which include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation and traces how they connect up to one another.
Wikimedia
Wikipedia: Aerobic Respiration
Wikipedia provides an indepth yet brief description of the oxygen dependent respiration with links to Kreb's cycle and Oxidative phosphorylation.
CK-12 Foundation
Ck 12: Electron Transport
[Free Registration/Login may be required to access all resource tools.] Discover how a mitochondrial electron transport chain works. This tutorial helps students identify the products of the Krebs cycle, describe a chemiosmotic gradient,...
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...
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.
Khan Academy
Khan Academy: Krebs (Citric Acid) Cycle and Oxidative Phosphorylation Questions
Krebs (citric acid) cycle and oxidative phosphorylation questions.
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.
Savvas Learning
Pearson's the Biology Place: Cell Respiration
This excellent interactive website about cellular respiration provides an overview then goes into the details that can be so difficult to understand. The practice, review, and quiz pages should help solidify understanding.
BiologyWise
Biology Wise: Cellular Respiration Diagram
The equation for cellular respiration is given and a diagram is provided that illustrates the process with glycolysis, the Krebs cycle, and the electron transport chain shown. Each of these steps is explained and a summary of the total...
BiologyWise
Biology Wise: Mitochondrial Matrix
Discusses the structure of the matrix inside a mitochondrion and how hundreds of concentrated enzymes are held there. The matrix takes part in mitochondrial functions such as the Krebs cycle, the electron transport chain, ATP synthesis,...
BiologyWise
Biology Wise: What Is Atp
Describes the structure of ATP and how it is produced through the pathways of glycolysis, the Krebs cycle, and electron transport phosphorylation.
BiologyWise
Biology Wise: Aerobic Respiration Steps
The steps in aerobic cellular respiration are explained in this resource. These include glycolysis, the Krebs cycle, and the electron transport chain.
Estrella Mountain Community College
Estrella Mountain: Cellular Metabolism & Fermentation
This online biology book offers a comprehensive overview of cellular metabolism and fermentation. Content includes a look at glycolysis, anaerobic pathways, and aerobic respiration.
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.
OpenStax
Open Stax: Anatomy & Physiology: Carbohydrate Metabolism
Students understand the process of carbohydrate metabolism, and the chemical processes involved in this aspect of digestion.
TeachEngineering
Teach Engineering: Cells
In this unit, students look at the components of cells and their functions and discover the controversy behind stem cell research. The first lesson focuses on the difference between prokaryotic and eukaryotic cells. In the second lesson,...
TeachEngineering
Teach Engineering: Cellular Respiration and Bioremediation
Students learn about the basics of cellular respiration. They also learn about the application of cellular respiration to engineering and bioremediation. And, they are introduced to the process of bioremediation and examples of how...
Texas Education Agency
Texas Gateway: Cell Processes: Respiration
Learn about the process of cellular respiration in this tutorial.
Khan Academy
Khan Academy: Test Prep: Mcat: Oxidative Phosphorylation: The Major Energy Provider of the Cell
Explains oxidative phosphorylation, which is the fourth step of cellular respiration, and produces the most of the energy in cellular respiration.
CK-12 Foundation
Ck 12: Biology: Cellular Respiration
[Free Registration/Login may be required to access all resource tools.] An overview of cellular respiration and mitochondria.
National Institute of Educational Technologies and Teacher Training (Spain)
Ministerio De Educacion: Fisiologia Celular 2 Bachillerato
This unit deals with metabolism: catabolism and anabolism. It contains 19 interactive activities.
Other
Aerobic Respiration (Glycolysis)
A very technical explanation of aerobic respiration. The process is explained and supplemented with a number of chemical formulas. Geared to the advanced student.
Other
University of Cincinnati Clermont: Cellular Respiration and Fermentation
A good general review of aerobic and anaerobic respiration. Good graphics and good embedded vocabulary links.
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