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physioex exercise 3 activity 8 Verified Questions And Answers With Verified Updates $7.99   Add to cart

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physioex exercise 3 activity 8 Verified Questions And Answers With Verified Updates

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  • Physioex exercise 3
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  • Physioex Exercise 3

The neurotransmitter released into the synaptic gap reaches the target cell by - diffusion You have just observed that each action potential in a burst can trigger additional neurotransmitter release. If calcium ions are removed from the extracellular solution, what will happen to neurotransmitt...

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  • August 14, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • Physioex exercise 3
  • Physioex exercise 3
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PatrickKaylian
physioex exercise 3 activity 8
The neurotransmitter released into the synaptic gap reaches the target cell by - diffusion



You have just observed that each action potential in a burst can trigger additional neurotransmitter
release. If calcium ions are removed from the extracellular solution, what will happen to
neurotransmitter release at the axon terminal? - there will be more neurotransmitter release

The end of the axon where it contacts a target is called the - axon terminal



Neurotransmitter is released into the synaptic gap by - exocytosis



Exocytosis of neurotransmitter from the axon terminal is triggered by an increase in the intracellular
concentration of - Ca2+

At the target, neurotransmitter - binds to receptor proteins, causes membrane channels to open
or close, causes a change in membrane potentia



What will happen to neurotransmitter release when low amounts of calcium are added back to the
extracellular solution - neurotransmitter release will increase a small amount



What will happen to neurotransmitter release when magnesium is added to the extracellular solution? -
There will be no more neurotransmitter release



Why is there no neurotransmitter release from the axon terminal when there are no calcium ions in the
extracellular solution - exocytosis of the synaptic vesicles is calcium-dependent



Why did the high intensity stimulation fail to trigger the same amount of neurotransmitter release in the
presence of extracellular Mg2+ as in the control extracellular solution? - Mg2+ blocks the calcium
channels in the axon terminal



How is the neurotransmitter stored in the axon terminal before it is released? - contained in
synaptic vessicles

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