Nester's Microbiology: A Human Perspective
Nester's Microbiology: A Human Perspective
8th Edition
ISBN: 9780073522593
Author: Denise G. Anderson Lecturer, Sarah Salm, Deborah Allen
Publisher: McGraw-Hill Education
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Chapter 6, Problem 1SA

Explain the difference between catabolism and anabolism.

Expert Solution & Answer
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Summary Introduction

To review:

The difference between catabolism and anabolism.

Introduction:

Metabolism refers tothe organic chemical reactions, which take place in all the living forms starting from the lower hierarchy. Metabolism is a process, which acts as an energy fuel that is used for the cell to survive and reproduce. Metabolism can be of two types, namely, catabolismandanabolism.

Explanation of Solution

The difference between catabolism and anabolism is given in the table below:

Catabolism Anabolism
Chemical metabolites (food) get broken down into simpler ones. Simpler molecules combines to forms larger ones.
Exergonic reactionsare involved and so, energy is released. Endergonic reactionsare involved and so, energy is required.
Oxidation of fuels molecules(glucose, fructose, or fatty acids) occurs. Reduction of water (H2O) and carbon dioxide (CO2) occurs.
Provides energy for anabolism. Supports cell growth.
For examples, the breakdown of carbohydrates (glucose or fructose), lipids, and proteins. For example, thephotosynthesis in plants, gluconeogenesis, fatty acid biosynthesis, and pentose phosphate shunt.
Conclusion

Therefore, it is concluded thatmetabolic processes, which breaks largermolecules into smaller molecules, are knownas catabolism;whereas in anabolism, the metabolic processes built larger molecules, which use energy from catabolic reactions. The anabolic processes aids in growth and development.

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What is Metabolism?; Author: Stated Clearly;https://www.youtube.com/watch?v=nRq6N5NGD1U;License: Standard youtube license