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All are None law(principle) states that
  • a)
    All stimuli produce action potentials
  • b)
    Any cell membrane can generate and propagate an action potential if stimulated to threshold value
  • c)
    Potential difference can either be 0 or 100
  • d)
    The property of action potential is independent of the strength of depolarizing stimulus
Correct answer is option 'D'. Can you explain this answer?
Most Upvoted Answer
All are None law(principle) states thata)All stimuli produce action po...
Principles of Action Potential

Action potential is a brief, rapid and large depolarization of the membrane potential of a cell. It is an important phenomenon in the transmission of information in the nervous system. The following are the principles of action potential:

All or None Law

This principle states that the amplitude and duration of an action potential are constant and independent of the strength of the depolarizing stimulus. In other words, either an action potential is generated or it is not, and the strength of the stimulus does not affect the magnitude of the action potential. When the stimulus is strong enough to reach the threshold value, an action potential is generated. If the stimulus is too weak, no action potential is generated. This principle is important in the coding of information in the nervous system.

Threshold Value

The threshold value is the minimum depolarization required to generate an action potential. If the depolarization is not sufficient to reach the threshold value, no action potential is generated. The threshold value is different for different types of cells and can be influenced by various factors such as temperature and drugs.

Propagation of Action Potential

Action potential can be propagated along the axon of a neuron. It travels in one direction, from the axon hillock to the axon terminal. The speed of propagation can be influenced by factors such as axon diameter and myelination.

Conclusion

In summary, the principle of all or none law states that the strength of the depolarizing stimulus does not affect the magnitude of the action potential. The threshold value is the minimum depolarization required to generate an action potential, and action potential can be propagated along the axon of a neuron. These principles are important in the transmission of information in the nervous system.
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Community Answer
All are None law(principle) states thata)All stimuli produce action po...
All or none principle states : the nerve impulse is either conducted totally or not conducted at all.
an action potential occurs in the membrane of axon of a neuron when depolarization reaches a certain level called threshold potential.
the action potential occurs in response to a threshold stimulus or supra threshold stimulus but does not occur at subthreshold stimuli.
So, option-d concurs .
opt-a is incorrect because not all stimulus produce's action potential.
opt-b not all cells are excitable to generate action potential.
opt-c potential difference ranges between. -80mv to -40mv.
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All are None law(principle) states thata)All stimuli produce action potentialsb) Any cell membrane can generate and propagate an action potential if stimulated to threshold valuec) Potential difference can either be 0 or 100d)The property of action potential is independent of the strength of depolarizing stimulusCorrect answer is option 'D'. Can you explain this answer?
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All are None law(principle) states thata)All stimuli produce action potentialsb) Any cell membrane can generate and propagate an action potential if stimulated to threshold valuec) Potential difference can either be 0 or 100d)The property of action potential is independent of the strength of depolarizing stimulusCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about All are None law(principle) states thata)All stimuli produce action potentialsb) Any cell membrane can generate and propagate an action potential if stimulated to threshold valuec) Potential difference can either be 0 or 100d)The property of action potential is independent of the strength of depolarizing stimulusCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for All are None law(principle) states thata)All stimuli produce action potentialsb) Any cell membrane can generate and propagate an action potential if stimulated to threshold valuec) Potential difference can either be 0 or 100d)The property of action potential is independent of the strength of depolarizing stimulusCorrect answer is option 'D'. Can you explain this answer?.
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