How would you locate the epicenter of an earthquake once you have determined the distance from the epicenter of the quake to each of three seismographic stations?

Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit.there is a precise compatibility between the active site and the lactose molecule.specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed.reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.

What are the three groups of atoms that make up amino acids called

Interferons play a vital role in the immune system why are interferons so important?