618
Restoring wolves to Yellowstone changed the ecosystem.
543
Enzymes are bio-molecules produced in the cells of all fungi, bacteria, yeasts, animals, and plants. They act as catalysts used in everything from laundry detergents, to meat tenderizers, from brewing beer, producing cheese, and digesting cellulose. Enzymes are essential to natural recycling functions of ecosystems and have become part of commercial processes more numerous than can be easily listed. They are biochemical workhorses due to the elegant specificity of their catalytic ...