Cells seek a balance in molecular energy through catabolism and anabolism. The energy released by catabolic pathways is used to make high-energy molecules that drive anabolic pathways. A key regulating mechanism for these pathways is allosteric control.

Catabolism and Anabolism Balance

An anabolic reaction performed by phototrophs to turn solar energy into chemical energy for use in cellular functions

Photosynthesis

Endergonic metabolism pathways involved in the building of simpler molecules into complex ones (biosynthesis) using cellular energy

University of Notre Dame

Types of metabolic pathways include:
- Exergonic reactions
- Endergonic reactions
- Anabolism
- Catabolism

Types of Metabolic Pathways

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A chemical reaction seen within a metabolic pathway that is spontaneous and releases energy

Exergonic Reaction

A chemical reaction seen within a metabolic pathway that requires energy to proceed

Endergonic Reaction

Anabolism

Exergonic metabolism pathways involved in the breakdown of complex molecules into simpler ones

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