The âline of actual controlâ between China and India in Arunachal Pradesh, which the Chinese refer to as South Tibet, is not as tense as the one in Kashmir. Talks between the two countries aimed at resolving the border issue have been going on for ten years and 15 rounds.
An excitatory postsynaptic potential, a type of graded potential, occurs because of the influx of Na+ through chemically gated channels in the receptive region, or postsynaptiâ¦c membrane, of a neuron.
Repolarization occurs because... potassium ions continue to diffuse out of the cell after the inactivation gates of the voltage-gated sodium ion channels begin to close. B) the extra efflux of potassium ions causes the membrane potential to become slightly more positive than the resting value.