1. The more mass an object has, the
more it will
regardless of its ___.

2. Weight is a and is measured in . I N is the amount of required to accelerate 1 Kg by 1 m/s^2.

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.