Explains what the coenzymes NADH and FADH2 are and the roles they play in cellular energy production and respiration.

The materials on this page were prepared by a high school teacher for a Biology class. This section supports a unit on cell energy and includes course readings, lab notes, PowerPoints and diagrams.

Review concepts covered in high school biology dealing with cellular respiration. Page includes vocabulary as well as charts to explain the process.

Discussion of the conversion of light energy to chemical energy through the life-sustaining process of photosynthesis. Explores the reactions of photosynthesis, where they take place, and their ecological importance.

Find out about the cell process of active transport, and how it is carried out.

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...

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.

A brief informational summary which describes the structure and function of mitochondria inside cells.

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...

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.

This site provides a short but factual description of active transport. An animation displaying the process of active transport is also provided.

Article explaining what organisms are, their cellular foundation, and how they get their energy and nutrition. (Published: May 26, 2010)

NADH and NADPH are enzymes involved in cellular processes. Explains how NADH participates in catabolic reactions where energy is released and NADPH is involved in anabolic reactions where energy is consumed. Their functions and chemical...