The cortex works as a whole, and the more cortex the better, defines:
a. mass action.
b. operant conditioning.
c. equipotentiality.
d. classical conditioning.

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer