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What is the most important ion channel for cells to coordinate activities during synaptic transmission?
Kooikeria
The K+ leak channel is the most important. It opens at around -70mV.
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A nerve poison that blocked neurotransmitter receptors on the dendrites would?
prevent transmission across the synaptic cleft
When a neuron responds to a particular neurotransmitter by opening gated ion channels the neurotransmitter is serving as which part of the signal pathway?
Signal Molecule Synaptic transmission is when it moves across the synaptic gap, and it then just binds to the receptor on the other side.
How would a chemical that prevents the opening of a voltage regulated Na channels affect the function of the neuron?
synaptic transmission would fail.
Why is synapse important to the nervous system?
Synapses are important because they enable signal transmission in the body. These signals are the nerve impulses, which go across and between neurons. This process occurs in the synaptic cleft of the central nervous system.
Is it correct that synaptic clefts prevents an impulse from being transmitted directly from one neuron to another?
Yes, that is correct. The synaptic cleft is a small gap between neurons, and it prevents direct transmission of impulses. When an impulse reaches the end of a neuron, it triggers the release of chemical messengers called neurotransmitters into the synaptic cleft. These neurotransmitters then bind to receptors on the adjacent neuron, allowing the impulse to be transmitted indirectly.
Is synaptic transmission always from pre to post synaptic?
Yes
What is the difference between synaptic and nerve impulse transmission?
Synaptic transmission is chemical, while nerve impulse or axonal transmission is electrical.
Does synaptic transmission involve electrical information to pass from terminal button to dendrites of another neuron?
No, synaptic transmission is chemical, not electrical.
What is accomplished by synaptic transmission?
Synaptic transmission, also called neurotransmission, refers to the process wherein neurotransmitters are released by a neuron to activate the receptors of another neuron. Communication between two nerve cells is accomplished by synaptic transmission.
The neural message being delivered in a synaptic transmission is carried across the synaptic gap by?
Chemical Substance
What is the potassium ion leak channel?
The K+ leak channel is the most important ion channel for cells to coordinate activities during synaptic transmission. It is voltage independent and allows K+ ions to move down a concentration gradient when it is opened at resting membrane potential (i.e. -70mV).
What is the chemical responsible for most synaptic transmission in neurons?
acetylcholine
Which is not an event that must occur in a normal cycle of synaptic transmission?
absorption of the neurotransmitter
What occurs when neurons are released into the synaptic cleft?
process of neural transmission starts
The part of the neuron that facilitates synaptic transmission of a signal to another neuron is?
Soma
What are similarities neuro synaptic transmission and nerve conductive have?
both are electrical movement
What is one dietary factor that affects synaptic transmission of nerve impulses?
vitamen b12
