Why is the hydrosphere important to life on earth?

Penelope studies how the structure and function of the nervous system is related to behavior. she is a psychologist

Why do oceanic plates tend to subduction when colliding with a continental plate

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.