Which statement about dna in one of your brain cells is true?

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

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.