Guided reading questions Synaptic activity Watch the online Voicethread lecture on synaptic activity Please note the page numbers might be slightly different between the eText and the printed version Use the titles subtitles mentioned below to locate the specific text Read pages 292 Section 11 4 up to and not including Postsynaptic Potentials 1 What facilitates the transport of information from the presynaptic neuron to the postsynaptic neuron in a chemical synapse Vesicles that release neurotransmitters onto receptors on the postsynaptic neuron 2 What facilitates the transport of information from the presynaptic neuron to the postsynaptic neuron in an electrical synapse Current via ions traveling through channels in gap junctions 3 What stimulates the Ca2 gated channels to open in the synaptic knob a A ligand binding to the channels b Voltage changes that took place as a result of Ca2 flowing from the axon hillock c Voltage changes that took place as a result of Na flowing from the axon hillock d Active pumping of Ca2 from the cytoplasm of the neuron and onto the ECF 4 What will happen if the neurotransmitter after being released from the synaptic vesicles will not be absorbed or destroyed If the neurotransmitter is not absorbed destroyed or dissipated then the neurotransmitters will remain in the synaptic cleft and continue to bind to the receptors in the postsynaptic neuron prolonging the effects
View Full Document
Unlocking...