The chemical reactions that occur in all living cells to extract, convert, and use the energy from food, to fuel all other cell processes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...

A biological catalyst. Enzymes are specialised proteins that speed up biochemical reactions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

It introduces enzymes as the biological catalyst. It also describes their chemical structure, types, nomenclature and mechanism of action.