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Metabolism

Similar term(s): metabolic.

Definition:

The conversion or breakdown of a substance from one form to another by an enzyme.

Source: GreenFacts, based on ATSDR Glossary of Terms 

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Metabolism is usually divided into two categories:

Catabolic reactions yield energy, an example being the breakdown of food in cellular respiration.

Anabolic reactions, on the other hand, use this energy to construct components of cells such as proteins and nucleic acids.

The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is transformed to another by a sequence of enzymes.

Source: GreenFacts

Related words:

Metabolite

Translation(s):

Deutsch: Stoffwechsel
Español: Metabolismo
Français: Métabolisme

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