What is the difference between a graded potential and action potential? How does this impact impulse...

What is the difference between a graded potential and action potential? How does this impact impulse transmission?

Solutions

Expert Solution

Graded potential is the result of external stimulus in sensory neurons.
It results due to release of neurotransmitters in the synapse.
Intensity of graded potential depends upon the strength of signal.
Graded potential is seen in post synaptic cell.
It is associated with opening of chemical gated channels.
This potential occurs in dendrites.
Graded potential initiate action potential.

Action potential is commenced and initiated by depolarization of membrane yo the threshold.
Action potentials is observed when graded potentials approaches the axon hillock at a certain level of depolarisation (around -55mV).
This potential is observed in neurons.
It is associated with opening of ligand gated channels.
Action potentials are large and travel more.

A nerve impulse is a sudden reversal of electrical charge through the membrane of a resting neuron. It commences when the neuron receives a signal (chemical) from other cell.

Sydney Mullin answered 9 months ago

Next > < Previous

Related Solutions

Describe how graded potentials are regulated and how they regulate action potential firing. In your answer,...

Describe how graded potentials are regulated and how they regulate action potential firing. In your answer, specifically identify where on a neuron each event occurs.

" In a synapse between two neurons, a postsynaptic potential is a graded potential that is...

" In a synapse between two neurons, a postsynaptic potential is a graded potential that is the result of a neurotransmitter released into the synaptic cleft. " True False QUESTION 17 Which neuron would stimulate a muscle contraction? Multipolar Unipolar Bipolar QUESTION 18 Which neuron is a sensory neuron found in a reflex arc? Multipolar Unipolar Bipolar QUESTION 19 Which neuron is never myelinated? Multipolar Unipolar Bipolar QUESTION 20 " In a reflex arc, which neuron has its cell body...

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)

Explain the difference between the principle of impulse & momentum approach and the conservation of impulse...

Explain the difference between the principle of impulse & momentum approach and the conservation of impulse & momentum approach.

1.Please describe the difference between action potential and sensory potential. 2.please explain how sound travels through...

1.Please describe the difference between action potential and sensory potential. 2.please explain how sound travels through the ear and heard by us?

Graded potentials may: W. initiate an action potential. X. depolarize the membrane to the threshold voltage....

Graded potentials may: W. initiate an action potential. X. depolarize the membrane to the threshold voltage. Y. hyperpolarize the membrane. Z. be called EPSPs or IPSPs. Select one: a. if only W, X and Y are correct b. if only W and Y are correct c. if only X and Z are correct d. if only Z is correct e. if all are correct COULD YOU EXPLAIN NOT JUST THE CORRECT ANSWER BUT THE REASONS FOR ALL PLS

What is the difference between an emf (Electromotive force) and a potential difference?

How does the voltage sensitivity of K+ conductance contribute to the action potential?

Describe the differences and similarities between graded and action potentials; Describe the processes involved in the...

Describe the differences and similarities between graded and action potentials; Describe the processes involved in the movement of an action potential along the axon of a neurone; explain how voltage changes with action potential propagation

What is the difference between a toxic principle of a toxin and the mode of action...

What is the difference between a toxic principle of a toxin and the mode of action of a toxin? e.g. pyrrolizidine alkaloids

Subjects