Khan Academy
Khan Academy: Glycolysis
Provides an overview of glycolysis which is the first step in the breakdown of glucose to extract energy for cellular metabolism. The article discusses in detail its two main phases: the energy-requiring phase and the energy-releasing...
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.
BiologyWise
Biology Wise: Anaerobic Glycolysis
Explains what happens during anaerobic glycolysis and the two types of fermentation that can then take place under anaerobic conditions.
BiologyWise
Biology Wise: Lactic Acid Fermentation
Fermentation of lactic acid occurs during anaerobic respiration. The two-step process is described here, how it takes place in human muscle cells, and industrial applications of lactic acid fermentation.
BiologyWise
Biology Wise: Anaerobic Fermentation
Explains what anaerobic fermentation is and how it takes place in cells.
Estrella Mountain Community College
Online Biology Book: Cellular Metabolism and Fermentation
College-level, online textbook explains cellular metabolism and fermentation using full-color illustrations and labeled diagrams.
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.
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.
CK-12 Foundation
Ck 12: Cellular Respiration
[Free Registration/Login may be required to access all resource tools.] Students are provided with an overview of cellular respiration and mitochondria. They will learn the role of cellular respiration and its three stages, describe the...
Simon Fraser University
Chem1 Virtual Textbook: The Biosphere
As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the Earth's biosphere. Topics covered include Bioenergetics, glycolysis and fermentation, respiration, photosynthesis, and more.
CK-12 Foundation
Ck 12: Biology: Cellular Respiration Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on cellular respiration.
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...
Khan Academy
Khan Academy: Pyruvate Oxidation
How pyruvate from glycolysis is converted to acetyl CoA so it can enter the citric acid cycle. Pyruvate is modified by removal of a carboxyl group followed by oxidation, and then attached to Coenzyme A.
Khan Academy
Khan Academy: Regulation of Cellular Respiration
This article investigates how cellular respiration can be sped up or slowed down in response to ATP levels and other metabolic signals.
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.
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.
Sophia Learning
Sophia: Cellular Respiration Introduction: Lesson 4
This lesson will give a general overview of cellular respiration and describe why it is important. It is 4 of 4 in the series titled "Cellular Respiration Introduction."
Sophia Learning
Sophia: Cellular Respiration Introduction: Lesson 1
This lesson will give a general overview of cellular respiration and describe why it is important. It is 1 of 4 in the series titled "Cellular Respiration Introduction."