Brian pushes a box with a force of 16 N to the right. Edwin pushes the same box from the opposite side with a force of 10 N to the left

Which of the following is not considered an appendage of the skin? nails glands follicles none of the above

Which characteristics are typical of a human population in the postindustrial stage?

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.