System of Chemical reactions that carry out some Metabolism function. Metabolic pathways are often part of a Metabolic network

Biochemical pathways map

http://tabletopwhale.com/2017/05/16/a-galaxy-of-molecules.html

Metabolic mechanisms

Metabolic pathways

• Glycolysis

Metabolic pathways can be driven by complexes of Enzymes linked together, as in the outside a mitochondrion