The winds that move from cold upland areas into lower elevations under the influence of gravity are described as

What are examples of the plant life and animal life that can be found in each type of terrarium

What are the pros and cons of transect sampling?

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.