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Basic Energy Concepts
Types of Catabolism
Catabolism of Fats
Catabolism of Proteins
Summary of Catabolism
Summary of Anabolism
©2000 Timothy Paustian, University of Wisconsin-Madison
The take home messages from anabolism are...
In the previous web pages we have looked at catabolism and Anabolism in separate sections. It is important to point out that in the cell, this is not the case. catabolism and anabolism are inexorably intertwined. Many of the intermediates and even some of the enzymes can serve both a catabolic and anabolic role. For example in the TCA cycle, many reactions within this pathway are reversible and a cell can "decide" which way to go depending on its need at that time.
The goal of this section on metabolism has been to give you an introduction to the chemistry involved in generating energy and an understanding of the details of making a cell and earning a living as a microbe. I hope you walk away from this information having a new respect for the elegance of the process and for the versatility of microbial metabolism. I find it amazing that if you think about any chemical reaction that generates energy, you will frequently discover a microbe that takes advantage of it to thrive.
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