Florida State University
Florida State University: Mitochondria
Comprehensive explanation of mitochondria includes structure and purpose. Helpful graphics are also provided.
PBS
Pbs Learning Media: Electron Transport Chain
This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the electron transport chain, the second stage in the process of cellular respiration.
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...
Vision Learning
Visionlearning: Earth Cycles: The Phosphorus Cycle
An introduction to the significance of phosphorus in regards to living organisms. An explanation of the phosphorus cycle is discussed in different scenarios.
PBS
Pbs Teachers:america's Stone Age Explorers
Discover how mitochondrial DNA (mtDNA) is inherited, and complete a pedigree chart by determining which individuals might share mtDNA with an unknown ancestor.
Other
Bristol University: Molecule of the Month:atp
A great page for all around biochemistry and background information. Includes the molecular structure and most of the information relevant to its role in living cells.
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...
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,...
Vision Learning
Visionlearning: Energy in Living Systems: Energy Metabolism I
Detailed explanation of how food is broken down and metabolized in our bodies to be used for energy.
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Ribosomes and Mitochondria
[Free Registration/Login may be required to access all resource tools.] Activity explains the structure and function of ribosomes and mitochondria.
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.
CK-12 Foundation
Ck 12: Krebs Cycle
[Free Registration/Login may be required to access all resource tools.] After studying the Krebs Citric Acid Cycle, students will be able to identify what happens to the product of glycolysis and explain the steps and results of the cycle.
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,...
CK-12 Foundation
Ck 12: Light Reactions of Photosynthesis
[Free Registration/Login may be required to access all resource tools.] The first stage of photosynthesis, light reactions, is summarized. The steps are listed, photolysis and the role of ATP synthase is explained, and how the energy of...
CK-12 Foundation
Ck 12: Calvin Cycle
[Free Registration/Login may be required to access all resource tools.] The second stage of photosynthesis, the Calvin Cycle, is described. Students will learn how to write the overall photosynthesis equation, explain RuBisCo, describe...
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Energy Transformations
Through interactive learning exercises, students examine the different definitions of energy and how enzymes regulate how the energy is stored and used during cellular respiration. They also take a close look at photosynthesis to learn...
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Adenosine Triphosphate (Atp)
This site has an interactive 3D model of adenosine triphosphate or ATP. Also on the site is downloadable STL file for a 3D printer.
Khan Academy
Khan Academy: Biology: Energy and Enzymes: Atp and Reaction Coupling
Investigate ATP structure, ATP hydrolysis to ADP, and reaction coupling in this article.
Khan Academy
Khan Academy: Mitochondria and Chloroplasts
Resource takes a look at the structure and function of the organelles mitochondria and chloroplasts. It also examines endosymbiosis, where the organelles probably came from.
Khan Academy
Khan Academy: Introduction to Cellular Respiration and Redox
Introduction to redox in cellular respiration. Provides an overview of how cells break down fuels and looks at some of the electron transfer reactions that are key to this process.
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: 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...
Khan Academy
Khan Academy: The Citric Acid Cycle
Resource provides an overview of the steps of the citric acid cycle, also known as the Krebs cycle or tricarboxylic acid (TCA) cycle. Gives detailed examples of how this amazing cycle works and discusses the products of the cycle.