Every truck and crane in the city needs gas. In your body, that gas is ATP , the universal energy currency generated from the sugar in your diet. Practical Application: The Case of "Milk to Medicine"
Steenbock realized that exposing milk to ultraviolet light (irradiating it) increased its Vitamin D levels, which eventually led to the cure for rickets , a bone-softening disease in children. practical biochemistry
These are the city's mechanics and builders. They take raw materials (like the food you eat) and speed up chemical reactions that would otherwise take years to happen on their own. Every truck and crane in the city needs gas
Tucked away in a central library (the nucleus), the DNA contains the master plans for every building and worker in the city. These are the city's mechanics and builders
Modern biochemists look for "molecular fingerprints" of diseases like cancer before physical symptoms even appear.