| activation energy | chemical work | exergonic | phosphate group |
| active site | closed system | feedback inhibition | phosphorylation |
| adenosine diphosphate | coenzyme | first law of thermodynamics | potential energy |
| adenosine triphosphate | cofactor | free energy | product |
| ADP | competitive inhibition | heat | reactant |
| allosteric activation | conformation | hydrolysis | reaction |
| allosteric inhibition | conservation of energy | inorganic | receptor site |
| allosteric regulation | cooperativity | kinetic energy | regulation |
| amplification | covalent bond | ligand | second law of thermodynamics |
| anabolism | dephosphorylation | light | specificity |
| ATP | endergonic | mechanical work | spontaneous |
| bioenergetics | energy | metabolism | stability |
| bioluminescence | energy transformation | noncompetitive inhibition | system |
| catabolism | enthalpy | nonspontaneous | thermal energy |
| catalysis | entropy | open system | thermodynamics |
| chemical bond | enzyme | optimality | transport work |
| chemical energy | equilibrium | pH | work |