Q. During synaptic excitation
A) The membrane potential of the post-synaptic cell hyperpolarizes
B) The epsps are all or none in nature
C) The epsps can summate
D) After an epsp the photosynaptic cell passes through a refractory period
Explanation
During synaptic excitation, the postsynaptic cell depolarizes. Epsps are graded in intensity and can summate.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.