The chemical reactions and pathways resulting in the breakdown of substances, including the breakdown of carbon compounds with the liberation of energy for use by the cell or organism.
catabolite repression +
cellular metabolic process +
collagen metabolic process +
cyanide metabolic process +
demethylation +
flavonoid metabolic process +
futile creatine cycle
glycosylation +
hormone metabolic process +
hydrocarbon metabolic process +
hydrogen metabolic process +
iron-sulfur-molybdenum cofactor metabolic process +
lactone metabolic process +
macromolecule metabolic process +
methanofuran metabolic process +
methylation +
negative regulation of metabolic process +
nicotine metabolic process +
nitrogen cycle metabolic process +
olefinic compound metabolic process +
organic heteropentacyclic compound metabolic process +