When fermentation is carried out by bacteria, not all of the reactions of the TCA cycle operate. Rather a few. What purpose is served by the reactions that operate? Why is it that some parts of the cycle are shut down?

When fermentation is carried out by bacteria, not all of the reactions of the TCA cycle operate. Rather a few. What purpose is served by the reactions that operate? Why is it that some parts of the cycle are shut down?

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter4: How Cells Obtain Energy

Section: Chapter Questions

Problem 17CTQ: Both prokaryotic and eukaryotic organisms carry out some form of glycolysis. How does ha fact...

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Concept explainers

Metabolic pathways

Metabolism is defined as the group of life-supporting, enzyme-mediated chemical reactions in organisms. A metabolic pathway is a set of these chemical reactions that involve anabolism (synthesis of complex biomolecules) and catabolism (breakdown of biomolecules into small molecules) that occur inside a cell. Metabolites are the reacting substances, products, and intermediate substances of an enzymatic process that are altered by a series of chemical events catalyzed by enzymes.

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When fermentation is carried out by bacteria, not all of the reactions of the TCA cycle operate.
Rather a few. What purpose is served by the reactions that operate? Why is it that some parts of the
cycle are shut down?

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