The above figure represents (Multiple Choice)

The above figure represents
  a. neuromuscular junction.
  b. muscle fiber.
  c. transport proteins.
  d. action potential.
  e. none of these.

Question 2

At an inhibitory synapse
  a. no neurotransmitter is released by the sending
  cell.
  b. a neurotransmitter produces changes in the
  receiving cell that drives the membrane potential
  away from threshold.
  c. no neurotransmitter can bind to the receiving
  cell.
  d. a neurotransmitter produces changes in the
  receiving cell that drives the membrane potential
  closer to threshold.
  e. a neurotransmitter restores the resting potential.