please help me to asnwer all the question. It Biologh 212 thank you! MULTIPLE CHOICE QUESTION A presynaptic neuron releases a neurotransmitter that causes the postsynaptic neuron to open K + channels in its plasma membrane. What will this cause? EPSP, depolarization EPSP, hyperpolarization IPSP, hyperpolarization IPSP, depolarization Speaking of action potentials... What was the last phase in a neuronal action potential and why was it important? depolarization AND it excites the cell repolarization AND it returns the cell to a resting state hyperpolarization AND it excites the cell repolarization AND it helps to keep the action potential moving one way hyperpolarization AND it helps to keep the action potential moving one way depolarization AND it helps to keep the action potential moving one way depolarization AND it returns the cell to a resting state .