A boy stands on a scale and finds his weight to be 76.4 lb. if his feet cover an area of 16.9in^2 , how much pressure in lb/in^2 is the boy applying to the scale

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products

Consider the story you just read. all but one of the choices below indicate that something is living.