Author Question: Communication of neural signals across the synapse involves a. the opening of transmitter-gated ... (Read 23 times)

appyboo · **on:** Jun 22, 2018

Communication of neural signals across the synapse involves

a. the opening of transmitter-gated channels in the axon terminal.
b. voltage changes that open chloride channels in the presynaptic membrane.
c. vesicles that take up transmitter molecules into the axon terminal.
d. the binding of transmitter at postsynaptic receptors triggering membrane potentials.
e. direct electrical contact of the pre- and post-synaptic membranes.

Question 2

Signals are carried across the synapse by

a. direct electrical connections between the two cells.
b. the secretion of transmitter molecules into the synapse.
c. the transfer of ions from one cell to another.
d. carrier molecules.
e. the sodium-potassium pump.

TheDev123 · **Reply #1 on:** Jun 22, 2018

Answer to Question 1

Answer: d. the binding of transmitter at postsynaptic receptors triggering membrane potentials.

Answer to Question 2

Answer: b. the secretion of transmitter molecules into the synapse.