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This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Environmental science are unconsidered with methods to preserve natural resourcesa. trueb. false

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.