From the following list, select all options that are correct with respect to the

Question

From the following list, select all options that are correct with respect to the synapse.

Question 5 options:

the synapse is the site where the plasma membrane that covers the axon terminal of one neuron makes direct contact with and fuses to the plasma membrane on the cell body or dendrite of another neuron

the action potential travels through extracellular fluid in the synapse to get from one neuron to the next

presynaptic nerve terminals release chemical messengers into the synapse in response to arrival of an action potential

signaling molecules in the synapse can be broken down by enzymes that are present on the post synaptic cell membrane

signaling molecules in the synapse can bind to 're-uptake' receptors and be taken back into the presynaptic neuron for breakdown or for repackaging/reuse

signaling molecules can be taken into and degraded within the postsynaptic cell

signaling molecules in the synapse function as chemical messengers that regulate the opening of ligand-gated channels in the plasma membranes of post synaptic cells

A)

the synapse is the site where the plasma membrane that covers the axon terminal of one neuron makes direct contact with and fuses to the plasma membrane on the cell body or dendrite of another neuron

B)

the action potential travels through extracellular fluid in the synapse to get from one neuron to the next

C)

presynaptic nerve terminals release chemical messengers into the synapse in response to arrival of an action potential

D)

signaling molecules in the synapse can be broken down by enzymes that are present on the post synaptic cell membrane

E)

signaling molecules in the synapse can bind to 're-uptake' receptors and be taken back into the presynaptic neuron for breakdown or for repackaging/reuse

F)

signaling molecules can be taken into and degraded within the postsynaptic cell

G)

signaling molecules in the synapse function as chemical messengers that regulate the opening of ligand-gated channels in the plasma membranes of post synaptic cells

Explanation / Answer

B) The action potential travels through extracellular fluid in the synapse to get from one neuron to the next.

C) Presynaptic nerve terminals release chemical messengers into the synapse in response to arrival of an action potential.

D) Signaling molecules in the synapse can be broken down by enzymes that are present on the post synaptic cell membrane.

E) signaling molecules in the synapse can bind to 're-uptake' receptors and be taken back into the presynaptic neuron for breakdown or for repackaging/reuse.

G) signaling molecules in the synapse function as chemical messengers that regulate the opening of ligand-gated channels in the plasma membranes of post synaptic cells.

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