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Topic: Biochemistry

Change grade range

Resource	Grade Level	Media Type
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.	9-12	JPEG Image
Krebs Cycle This illustration from Biology by Kenneth R. Miller and Joseph Levine describes the steps of the Krebs cycle, the critical first stage in the process of cellular respiration.	9-12	JPEG Image
Life Before Oxygen This Interactive NOVA: "Earth" video segment looks at ancient organisms that lived anaerobically, the origins of photosynthesis, and the new forms of life this process made possible.	3-12	QuickTime Video
Mitochondria Functions and Training This essay by Owen Anderson describes the effects of physical exercise on the number and function of mitochondria inside muscle cells.	9-12	PDF Document
The Powerhouse of the Cell This video segment describes the critical role that mitochondria play in nearly every cellular process in your body.	9-12	QuickTime Video