Excitatory synapses. The neurotransmitter at excitatory synapses depolarizes the postsynaptic membrane (of a neuron in this diagram). 1  Binding of acetylcholine to its receptors on the postsynaptic cell opens up ligand-gated sodium channels. 2  These allow an influx of Na + ions, reducing the membrane potential.xcitatory synapses. The neurotransmitter at excitatory synapses depolarizes the postsynaptic membrane (of a neuron in this diagram). 1  Binding of acetylcholine to its receptors on the postsynaptic cell opens up ligand-gated sodium channels. 2  These allow an influx of Na + ions, reducing the membrane potential.
The mophie desktop dock allows you to charge your iPhone 7/6s/6/SE/5s/5c/5 with comfort and style. Simply connect the dock to a computer or USB wall charger to create the ideal home for your iPhone when power runs low. For juice pack dock, click here.
If your iPhone wonât charge, there could be an issue with any of the three components involved with charging your iPhone: The wall adapter, the USB cable (either lightning or 30-pin, depending on which iPhone you own) or the charging port on your iPhone.âve seen plenty of misinformation on other websites about how handle an iPhone that wonât charge. Another article recommends replacing your iPhoneâs battery if it wonât charge, and as a former Apple technician, I can tell you that this is absolutely incorrect advice.