Freud developed the notion that the human mind has three distinct "provinces," or regions, that involve control and regulation of impulses. On the basis of this notion, the ________ is the seat of impulse and desire and is usually developed in infancy.

The receptor cells for taste are located inside the taste buds, about 15 to 50 per bud

Indicate whether this statement is true or false.

It is recommended that people with phenylketonuria (PKU)

a) be kept on a special diet to prevent intellectual developmental disorder. b) be educated at home since the disease is highly infectious. c) not marry, since their offspring will almost certainly be mentally retarded. d) undergo frequent blood tests to determine whether their lithium levels are within safe limits.