Potentian52-472 Action Potential Worksheet A&P; I 7. How does action s action po

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Potentian52-472 Action Potential Worksheet A&P; I 7. How does action s action potential propagation differ in myelinated versus unmyelina rom the 8. Explain the series of events that occur to allow for the release of neurotransmitter f synaptic knob (terminal). lab trying to study the effects of reduced ATP on isolated Challenge question: You are working in a neurons. over time as ATP is depleted from the environment surrounding the neu plasma membrane will be most affected by the ATP depletion. Come up with a hypothesis describing what will happen to action potential transmission ron. What component of the

Explanation / Answer

7. Action potential is the localised change in electrical potential in a neuron during nerve impulse.

Myelinated fibres have myelin sheath and use saltatory conduction. It is a mode of condution which is very fast because the impulses jumps from node to node.

Non myelinated fibres donot have the myelin sheath and uses continuous conduction. Continuous conduction are slow due to impulse dont jump but travel along the axon leangth.

8. Following steps are taken during neurotransmitter release

Challenge Questions . ION SELECTIVE CHANNEL allows movement of ions using ATP. Depletion of ATP will imbalance these ion selective channels and action potential will not be produced by making cell positive.

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