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.
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.
Other
E Cycle Best: The Metamorphosis: From Rotary Dials to Smartphones
Learn how a rotary phone transformed into the smartphones we have today in this article.
City University of New York
The World of Cells: Viruses
Alive or not, viruses are introduced in an easy to follow essay that explains many basic concepts.
BiologyWise
Biology Wise: Cellular Respiration in Plants
Explains what cellular respiration is, its function, and the three stages it goes through when it takes place in a cell.
Texas Education Agency
Texas Gateway: Virus: Reproduction
Get an inside look at how viruses reproduce in a host cell in this tutorial. Tutorial explores both the lytic and lysogenic cycle.
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...
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.
BioEd Online
Bio Ed Online: The Science of Microbes: Making Copies of an Hiv Particle
Learners read an article about how the HIV virus replicates itself in a host cell, and the parts of an HIV particle. Includes labeled drawings of an HIV particle and of its replication cycle. The lesson materials and a set of PowerPoint...
PBS
Pbs Learning Media: Duck Development
This video segment from NOVA: "The Shape of Things" follows the growth of a duck embryo, from a single fertilized egg cell to a complex, hatching duckling. [2:43]
PBS
Pbs: Never Say Die: The Clock of Life
This site from the PBS production, Scientific American Frontier "Never Say Die", includes a section entitled "The Clock of Life". It provides a discussion of cell death through shortening of the telomere. A good class activity included.
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...
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.
University of Manitoba
University of Manitoba: Sexual Reproduction and Meiosis
Meiosis tutorial with clickable glossary, diagrams, and photos of cells as they move through the phases. A good site from the University of Manitoba.
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.
CK-12 Foundation
Ck 12: Biology: Female Reproductive System Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the female reproductive system.
PBS
Pbs Nova: Guess the Embryo
Every animal starts out as a single, fertilized cell. What happens then? Launch an interactive that showcases four similar-looking embryos. Can you guess what each one of them actually is? Watch them develop.
abcteach
Abcteach: Science: Plants
[Free Registration/Login Required] Generate comparison charts, crosswords, and journals for recording data on plants and plants processes. One can also find lesson plans and plant experiments, as well as flower and tree resources.
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,...
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: 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."
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.
TeachEngineering
Teach Engineering: Keepers of the Gate
Through two lessons and five activities, students explore the structure and function of cell membranes. Specific transport functions, including active and passive transport, are presented. In the legacy cycle tradition, students are...