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General Biology

Metabolism

final stages of death, metabolic reactions, chemical reactions, catalysts, life forms

Deeper web pages:

>  Anabolism and Catabolism

>  How Metabolism Derives Its Enegry

>  Food and Energy

>  Utilization and Transfer of Energy

>  Regulation of Metabolism

>  Metabolism of Foodstuffs

>  Inborn Metabolic Errors

Metabolism (chemistry), inclusive term for the chemical reactions by which the cells of an organism transform energy, maintain their identity, and reproduce. All life forms—from single-celled algae to mammals—are dependent on many hundreds of simultaneous and precisely regulated metabolic reactions to support them from conception through growth and maturity to the final stages of death. Each of these reactions is triggered, controlled, and terminated by specific cell enzymes or catalysts, and each reaction is coordinated with the numerous other reactions throughout the organism.

Contributors

Hendrix, Mary Lynn, B.A.

Technical Writer-Editor, National Institute of Mental Health.



Article key phrases:

final stages of death, metabolic reactions, chemical reactions, catalysts, life forms, organism, maturity, Metabolism, conception, mammals, chemistry, dependent, identity, cells, energy, growth

 
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