How has society responded to increased cell phone use and overuse of plastic bags? Check all that apply
by creating distracted driver laws
by outlawing texting while driving
by demanding software that disables phones in cars
by banning plastic bags at supermarkets
by requiring supermarkets to deliver groceries to homes

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.