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Metabolism: How Cells acquire Energy

 
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Last revised: Tuesday, October 5, 1999
Reading: Ch. 9 in text
Note: These notes are provided as a guide to topics the instructor hopes to cover during lecture. Actual coverage will always differ somewhat from what is printed here. These notes are not a substitute for the actual lecture!
Copyright 1999. Thomas M. Terry

Use of ATP to store Energy

Biological Oxidations

Redox Carriers


Embden-Meyerhof (glycolysis) pathway


Problem: what do with electrons removed by oxidation reactions?

Solution 1: Fermentation


Solution 2: Respiration


Inhibitors of Oxidative Phosphorylation


Krebs (Citric acid, TCA) cycle: further catabolism of pyruvate

Formation of acetyl-CoA

Net effects of TCA cycle (see text Fig. 9.11)


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