Voluntary and involuntary movements - class-IX

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Multiple Choice

During the transmission of nerve impulse through a nerve fibre, the potential on the inner side of the plasma membrane has which type of electric charge?

  1. First positive, then negative and continue to be negative
  2. First negative, then positive and continue to be positive
  3. First positive, then negative and again back to be positive
  4. First negative, then positive and again back to be negative
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