Select the correct answer. Feeding the increasing world population is a major problem faced by all the countries around the world. Which of the following methods do you think can be useful to solve this problem? I. use of vertical farming methods II. proper food distribution policies implemented by the governments A. only I B. only II C. both I and II D. none

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.