This jet streams are south what kind of weather do we get

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.

What happens in the first part of interphase?

Mercury had an average distance to the sun of 0.39 au explane how to calculate the orbital period of mercury and then calculated it