Explain the differences in mechanism of action potential conduction between non-myelinated and myelinated axons
Explain the differences in mechanism of action potential conduction between non-myelinated and myelinated axons
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Explain the differences in mechanism of action potential
conduction between non-myelinated and myelinated axons
3. Is there a relationship (correlation) between action-potential amplitude and conduction velocity? Why or why not?...
3. Is there a relationship (correlation) between action-potential amplitude and conduction velocity? Why or why not? **please explain in detail
Action potential will propagate more readily in : A) axons with larger diameter vs axons with...
Action potential will propagate more readily in : A) axons with larger diameter vs axons with smaller diameter due to increased surface area B) in axons with smaller diameters vs axons with larger diameters due to decreased surface area C) axons that have been cooked
Action Potential Action Potential (AP) arises in presynaptic neuron Travels to Causes End of presynaptic neuron...
Action Potential Action Potential (AP) arises in presynaptic neuron Travels to Causes End of presynaptic neuron Leads to 2 Located in Excitatory Postsynaptic Potential begins at 6 Cl-gates open I s When Causing Depolarization to +30mV next opening 10 Nonmyelinated axons Myelinated axons Current spreads through each segment Current spreads by---- 11 Action Potential Word Bank ŠMU Auso Neurotransmitters bind to receptors K+ gates Ca++ gates open Hyperpolarization Saltatory Release of Neurotransmitters Postsynaptic neuron Repolarization -55mV Na+ gates open Inhibitory...
Compare and contrast graded potentials and action potentials, with particular attention to their locations in the...
Compare and contrast graded potentials and action potentials, with particular attention to their locations in the neuron and the ions and ion channels involved in each. Label a voltage-versus-time diagram of an action potential with the ions involved in each phase, the direction of their movement across the membrane, and the terms depolarize, repolarize, and hyperpolarize. Describe the physiological process involved in the conduction (propagation) 2 of an actic potential, including the types and locations of the ion channels involved....
1.(a)Explain the differences between conduction and valence band with the aid of an energy diagram (b)Mention...
1.(a)Explain the differences between conduction and valence band with the aid of an energy diagram (b)Mention seven differences between charge and current (c)Explain why ammeters are connected in series but not parallel (d)Explain why always a voltmeter is connected in parallel but not in series
Provide one example of a medication and explain the mechanism of action of a medication which...
Provide one example of a medication and explain the mechanism of action of a medication which works by simple chemical action (2 marks) _______________________________________________________________________________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________ Describe the differences between the affinity and specificity of a drug. (2 marks) _______________________________________________________________________________________________________________________________________________________________________________________________________________ _______________________________________________________________________________________________________________________________________________________________________________________________________________
15. White matter is composed of A. ganglial sheaths. B. bundles of myelinated axons. C. collections...
15. White matter is composed of A. ganglial sheaths. B. bundles of myelinated axons. C. collections of nerve cell bodies. D. bundles containing both myelinated axons and nerve cell bodies. E. collections of unmyelinated axons. 16. Depolarization of the nerve cell membrane occurs when there is a rapid influx (inflow) of A. potassium ions. B. chloride ions. C. calcium ions. D. sodium ions. E proteins. 17. During the absolute refractory period, the cell A. gencrates many local potentials. B. is...
XQ4. Describe the differences between the 2 models used to describe enzyme mechanisms of action a...
xQ4. Describe the differences between the 2 models used to describe enzyme mechanisms of action and explain why one can is useful to describe both competitive and non-competitive enzyme inhibition and one can only describe competitive inhibition. re ill of
xQ4. Describe the differences between the 2 models used to describe enzyme mechanisms of action and explain why one can is useful to describe both competitive and non-competitive enzyme inhibition and one can only describe competitive inhibition. re ill of
For each of the following changes to the Action Potential propose one possible mechanism (and explain...
For each of the following changes to the Action Potential propose one possible mechanism (and explain why): Repetitive firing Increased threshold Increased refractory time Increased AP amplitude
1. Specifically explain the differences between the addition of HBr to propene by the ionic mechanism...
1. Specifically explain the differences between the addition of HBr to propene by the ionic mechanism and by the free-radical mechanism. Differences should include: (a) Reactants (when writing a mechanism be sure to write out (b) Mechanisms complete structures.) (c) Product (may be abbreviated with a line-angle drawing if you wish) differences
Action Potential Action Potential (AP) arises in presynaptic neuron Travels to Causes End of presynaptic neuron Leads to 2 Located in Excitatory Postsynaptic Potential begins at 6 Cl-gates open I s When Causing Depolarization to +30mV next opening 10 Nonmyelinated axons Myelinated axons Current spreads through each segment Current spreads by---- 11 Action Potential Word Bank ŠMU Auso Neurotransmitters bind to receptors K+ gates Ca++ gates open Hyperpolarization Saltatory Release of Neurotransmitters Postsynaptic neuron Repolarization -55mV Na+ gates open Inhibitory...
Compare and contrast graded potentials and action potentials, with particular attention to their locations in the neuron and the ions and ion channels involved in each. Label a voltage-versus-time diagram of an action potential with the ions involved in each phase, the direction of their movement across the membrane, and the terms depolarize, repolarize, and hyperpolarize. Describe the physiological process involved in the conduction (propagation) 2 of an actic potential, including the types and locations of the ion channels involved....
15. White matter is composed of A. ganglial sheaths. B. bundles of myelinated axons. C. collections of nerve cell bodies. D. bundles containing both myelinated axons and nerve cell bodies. E. collections of unmyelinated axons. 16. Depolarization of the nerve cell membrane occurs when there is a rapid influx (inflow) of A. potassium ions. B. chloride ions. C. calcium ions. D. sodium ions. E proteins. 17. During the absolute refractory period, the cell A. gencrates many local potentials. B. is...
xQ4. Describe the differences between the 2 models used to describe enzyme mechanisms of action and explain why one can is useful to describe both competitive and non-competitive enzyme inhibition and one can only describe competitive inhibition. re ill of
xQ4. Describe the differences between the 2 models used to describe enzyme mechanisms of action and explain why one can is useful to describe both competitive and non-competitive enzyme inhibition and one can only describe competitive inhibition. re ill of
1. Specifically explain the differences between the addition of HBr to propene by the ionic mechanism and by the free-radical mechanism. Differences should include: (a) Reactants (when writing a mechanism be sure to write out (b) Mechanisms complete structures.) (c) Product (may be abbreviated with a line-angle drawing if you wish) differences
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