Compare and contrast a grade potential with an action potential?

Expert Solution

Ans. Let us compare and contrast a graded potential and an action potential through the following table :

S.No	Graded Potential	Action Potential
1	A membrane potential which varies with respect to amplitude is called as a graded potential.	When impulses transmit along the membrane of a nerve cells or muscle cell, a change in electrical potential occurs.This change in electrical potential is called as action potential.
2	It generally has small amplitude ranging from a few mV to tens of mV.	It has large amplitude of ~100mV.
3	It can occur either due to depolarization or hyperpolarization,depending upon the stimulus.	It always lead to depolarization of membrane.
4	Ligand-gated ion channels generate a graded potential.	Voltage-gated ion channels generate an action potential.
5	It may be transmitted over short distances only.	It can be transmitted over long distances.
6	During the transmission it may lose its strength.	It does not lose its strength during the transmission.
7	Does not have any refractory period associated with them	Have absolute and refractory periods associated with them and are important aspect too.
8	It can be summed over time and across space.	Since an action potential is of all or non in nature and also it has got refractory periods, summation is not possible for action potentials.

gladiator answered 2 years ago

Compare and Contrast the Neuronal Action Potential vs Cardiac Action Potential. Focus on the steps of...

Compare and Contrast the Neuronal Action Potential vs Cardiac Action Potential. Focus on the steps of the both action potentials and identify the difference(s). What is the significance and involvement of Calcium ions in the cardiac action potentials? Why are Calcium ions not necessary in the neuronal action potentials, but are essential in the myocardial AP?

Compare and Contrast the Neuronal Action Potential vs Cardiac Action Potential. Focus on the STEPS (depolorization,...

Compare and Contrast the Neuronal Action Potential vs Cardiac Action Potential. Focus on the STEPS (depolorization, refractory period repolorization, Na/K pumps, resting membrane potential, ect...) of the both action potentials and identify the difference(s). What is the significance and involvement of Calcium ions in the cardiac action potentials? Why are Calcium ions not necessary in the neuronal action potentials, but are essential in the myocardial AP?

3. Compare and contrast an action potential and a local post-synaptic potential in terms of where...

3. Compare and contrast an action potential and a local post-synaptic potential in terms of where they occur on a neuron, the change in charge, how they propagate through a neuron. (3) 6. What is an EPSP and IPSP? Provide a definition, not just spelling out the acronym. (2) Provide a specific example of how each can be generated in a neuron. (4) 8. Imagine humans have a single hypothetical neuron that controls the decision to get out of bed....

compare and contrast the phases and ionic events that produce an action potential in a contractile...

compare and contrast the phases and ionic events that produce an action potential in a contractile cardiomyocyte from an action potential in the specialized conduction tissue like a sino-atrial nodal cell

Compare and contrast graded potential and action potentials (explain these concepts in terms of anatomical and...

Compare and contrast graded potential and action potentials (explain these concepts in terms of anatomical and physiological characteristics)

Compare and contrast cardiac and skeletal muscle in the following: Cellular structure Excitation-Contraction Coupling Action potential...

Compare and contrast cardiac and skeletal muscle in the following: Cellular structure Excitation-Contraction Coupling Action potential of Skeletal Muscle cells and Cardiac Contractile muscle cells Production of ATP Role of Calcium Mechanisms for increased strength/force of contraction

Compare and contrast the mechanism of action of sulfonamides and fluoroquinolones and their therapeutics applications ?

compare and contrast plant growth regulators in regard to their chemistry, sites of action, and functions

PARAGRAPH ANALOGY OF ACTION POTENTIAL In a single paragraph discuss the process of an action potential....

PARAGRAPH ANALOGY OF ACTION POTENTIAL In a single paragraph discuss the process of an action potential. Explain it in a way that you would tell an eight year old - using an analogy. I would like to see you use an analogy and the more creative the better! Note: You CANNOT use the domino effect or firing a gun as the analogy. You must include four (4) of the following terms in your analogy: all-or-nothing response, axon, resting state, soma...

Compare and contrast the action of epinephrine vs glucagon binding and signaling from its target GPCR...

Compare and contrast the action of epinephrine vs glucagon binding and signaling from its target GPCR in order to regulate glucose metabolism under stress vs rest conditions.

Question