Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.
ATP is the main source of energy for cells.
NAD⁺ is a coenzyme that plays an important role mainly in catabolic processes, while NADP is important in anabolic processes as hydrogen carriers.
A crystalline compound found in nucleic acids, coenzymes, nucleotides and nucleosides.
A compound ion formed when a phosphoric acid molecule releases a proton.
It is also used as a food additive, limescale and rust remover.
A heterocyclic aromatic organic compound, its derivatives include guanine and adenine.