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Biotechnology and Biomedical Engineering
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Neuron Simulation Virtual Lab (pilot)
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Modeling the sodium ion channel and its effects on neural signaling
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Modeling the sodium ion channel and its effects on neural signaling
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Theory
Procedure
Self Evaluation
Simulator
Assignment
Reference
Feedback
1)
Toxin which block Na current
TTX
TEX
TTX and TEX
Pronase
2)
At the peak of action potential
The axon is hyperpolarized
All gated channels close
Sodium channels are inactivated, while gated potassium channels open
The membrane potential reaches its most negative value
3)
Channels that respond to potential changes are called what?
Voltage gated ion channels
Resting ion channels
Both
4)
Voltage-gated sodium channels play an important role in ________.
Action potential
Resting potential
Both
5)
What equation is used to determine equilibrium potential for an ion?
Goldman-Hodgkin-Katz flux equation
Nernst equation
Hodgkin–Huxley equation
Cable equation
6)
What ion moves rapidly into the neuron during an action potential? sodim
Potassium
Sodim
Chloride
Calcium
7)
What method did Kenneth Cole develop (and Hodgkin and Huxley use) to experimentally control membrane potential of a neuron in order to sudy ionic permeabilites of membranes?
Voltage clamp
Patch clamp
Current clamp
Cite this Simulator:
vlab.amrita.edu,. (2011). Modeling the sodium ion channel and its effects on neural signaling. Retrieved 11 December 2024, from vlab.amrita.edu/?sub=3&brch=212&sim=766&cnt=3
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