A legal minimum price is set which is below the equilibrium price. What will be the impact of this？

A、quantity demanded of gasoline will be equal to quantity supplied of gasoline.

B、there will be excess demand for gasoline.

C、there will be excess supply for gasoline.

D、demand for gasoline will be less than supply for gasoline.

A、there will be an efficient level of insulin produced.

B、there will be excess supply of insulin.

C、total surplus will be lower than it would be at the market equilibrium price.

D、total surplus will be greater than it would be at the market equilibrium price.

A、quantity demanded will be equal to quantity supplied.

B、There will be excess supply.

C、There will be excess demand.

D、all of the above

A．above...rise

B．above...fall

C．below...fall

D．below...rise

A、a. equal to equilibrium price.

B、b. above equilibrium price.

C、c. below equilibrium price.

D、d. none of the above; a price ceiling is never binding.

A、the electrical force and chemical force are identical but the direction are opposite.

B、the equilibrium potential of any ion could be calculated by Nerst equation if we could measure the concentration of this ion at extracellular and intracellular side of the membrane.

C、If the concentration of a ion in the intracellular and extracellular is identical, the equlibrium potential of this ion is 0.

D、In most excitable cells, both the EK+ and ENa+ are negative.

A、a shortage will exist.

B、buyers desire to purchase more than is produced.

C、sellers desire to produce and sell more than buyers wish to purchase.

D、quantity demanded exceeds quantity supplied.

A、only demanders.

B、only suppliers.

C、government regulations.

D、both demanders and suppliers.

Refer to Figure 4-2. What is the equilibrium price in this market?

A、$0

B、$5

C、$7.50

D、$10