| Term | Definition |
| glycolysis | phosphofructokinase-1 |
| gluconeogenesis | fructose bisphosphate-2 |
| TCA cycle | isocitrate dehydrogenase |
| glycogen synthesis | glycogen synthase |
| glycogenolysis | glycogen phosphorylase |
| HMP shunt | glucose-6-phosphate dehydrogenase |
| pyrimidine synthesis | aspartate transcarbamoylase |
| purine synthesis | PRPP amidotransferase |
| urea cycle | carbamoyl phosphate synthetase |
| fatty acid synthesis | acetyl-CoA carboxylase |
| fatty acid oxidation | carnitine acyltransferase I |
| ketogenesis | HMG-CoA synthase |
| cholesterol synthesis | HMG-CoA reductase |