NEETZoologyNeural Control and Coordination
During the transmission of a nerve impulse across a chemical synapse, what is the immediate physiological consequence of neurotransmitters binding to their specific receptors on the post-synaptic membrane?
Options
- AMovement of synaptic vesicles towards the pre-synaptic membrane
- BRelease of neurotransmitters into the synaptic cleft
- CGeneration of an action potential in the pre-synaptic neuron
- DOpening of specific ion channels
Correct answer
D. Opening of specific ion channels
Step-by-step solution
During synaptic transmission at a chemical synapse, the binding of neurotransmitters to their specific receptors on the post-synaptic membrane leads to the opening of specific ion channels. This opening allows the entry of ions, which can generate a new potential (either excitatory or inhibitory) in the post-synaptic neuron. The movement of synaptic vesicles and the release of neurotransmitters are pre-synaptic events that occur prior to receptor binding, while the action potential in the pre-synaptic neuron is the