Kit 1 L3 ETC Cellular Respiration.mov

John MacLellan Founder of VIRTmac (www.virtmac.com) and Biology Teacher teaching from one of his 3 kits. Kit 1, lesson 3 ETC Cellular Respiration: Using the phospholipid bilayer sections and different proteins teachers are able to build the inner mitochondrion membrane along with one electron transport chain. This lesson also includes the following model pieces: coenzymes NAD and FAD, electrons, oxygen molecules, water molecules and protons. Teachers are now able to show students the movement of coenzymes as they collide with proteins in the ETC conducting redox reactions. Students will clearly be able to see electrons transfer from the coenzymes onto the proteins in the ETC and protons transferred from the matrix into the intermembrane space. Students can now watch protein Q and cytochrome C shuttle electrons between proteins in the ETC. The very difficult concept of oxidative phosphorylation is clearly demonstrated by removing electrons from the ETC producing water and the movement of protons through ATP synthase. Students can clearly see, therefore visualize, the connection between the oxidation of NADH and FADH2 and the increase in the concentration gradient (chemiosis) of protons in the intermembrane space resulting in the production of ATP.

This ETC cellular respiration lesson can be viewed on the DVD that comes with each VIRTmac kit. To purchase this kit, please visit our website at www.virtmac.com.

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Education

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• biology teaching tools
• cellular respiration lesson
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