Which of the following statement is NOT TRUE with respect to synaptic transmission? In chemical synapses, the terminal bulbs of presynaptic neuron release neurotransmitters into the synaptic cleft and the receptors of the postsynaptic neuron bind the neurotransmitters. In electrical synapses, presynaptic and postsynaptic neurons are connected by gap junctions. When an action potential arrives at the presynaptic side of an electrical synapse Na+ channels of the gap junction open to propagate the action potential Nerve cells communicate with one another and with glands and muscles at synapses.
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In chemical synapses, the terminal bulbs of presynaptic neuron release neurotransmitters into the synaptic cleft and the receptors of the postsynaptic neuron bind the neurotransmitters. - TRUE Show more…
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Which statement about synaptic transmission is not true? a. The synapses between neurons and skeletal muscle cells use $\mathrm{ACh}$ as their neurotransmitter. b. A single vesicle of neurotransmitter can cause a muscle cell to contract. c. The release of neurotransmitter at the neuromuscular junction causes the motor end plate to depolarize. d. In vertebrates, the synapses between motor neurons and muscle fibers are always excitatory. e. Inhibitory synapses cause the resting potential of the postsynaptic membrane to become more negative.
Which of the following is TRUE about chemical synapses? A given synapse is either inhibitory or excitatory but it can't switch back and forth The neurotransmitter from one neuron enters the other The two neurons are physically connected They allow two-way transmission of action potentials
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