Instructions

Read through each section carefully. Throughout the text you will find animations and links to help you understand the concepts presented in that section. On the last page of each topic, Checkpoint Charlie will ask you a question about the material you have just read. After you've completed all five sections, click on Test Your Knowledge to take a short quiz on Cellular Metabolism.

Legend

Help Icon	Interaction Icon	Checkpoint Charlie Questions	Previous Page Icon	Next Page Icon	Rewind Animation	Play Animation	Stop Animation

Use the navigation on the left to change to the next section, and click on the page numbers in the upper right hand corner to move to the next page within a section. You can go back and forward to any page you like at any time. If you ever need assistance, click the Help icon in the upper, right hand corner to review these instructions. Now, either click on Glycolysis on the left menu or click the Next button to get started.

Have fun!