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Chemical Synapse
Blaise Durgan
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What is the role of neurotransmitter at a chemical synapse?
exocytosis
Does a neurotransmitter carry ATP across a synapse?
no
What is contained inside a synaptic terminal?
There is isotonic fluid inside the synapse. Neurotransmitter is released there inside the synapse.
What is the chemical secreted into the gap between neurons at the synapse?
The answer is NEUROTRANSMITTER.
What do you call the chemical released by the axon that travels across a synapse and binds on the dendrites of the other neurons or body cells?
neurotransmitter neurotransmitter neurotransmitter
Drugs act at the synapse by?
replacing, decreasing, or enhancing the amount of neurotransmitter
What type of chemicals moves across the space between two nerve cells?
chemical synapse
What is the relationship between a synapse and neurotransmitter?
Chemical synapses are specialized junctions through which neurons signal to each other and to non-neuronal cells such as those in muscles or glands. At a chemical synapse, one neuron releases a neurotransmitter into a small space (the synapse) that is adjacent to another neuron.
What would happen if the re-uptake of a stimulatory neurotransmitter was blocked?
The action of the excitatory neurotransmitter will increase, since its concentration in the synapse will rise.
Which of the following helps carry nerve impulses across the synapse?
neurotransmitter carries the nerve impulses from neuron to neuron across a synapse
How long does neurotransmitter stay in the synapse What is the rate of removal of neurotransmitter Is it an exponential decay?
Neurotransmitter stay for few milliseconds only in the synapse. The rate is difficult to define, but then the decay is most probably exponential decay. The acetylcholine is destroyed by the enzyme acetylcholinestarage. The noradrenaline is taken up back by the neuron, which has secreted it.
When neurotransmeter released from nerv terminal?
After the neurotransmitter is released from the nerve terminal, it moves across the synapse. At that point, the neurotransmitter may bind with receptors.
