Dinitrophenol is a metabolic poison that prevents the production of ATP. What will happen when a resting axon is treated with such a poison?

Correct answer: B. The charge outside the axon membrane becomes less positive

  • A. The charge inside the axon membrane becomes more negative
  • B. The charge outside the axon membrane becomes less positive
  • C. The charge inside the axon membrane becomes less positive
  • D. The charge outside the axon membrane does not change

Explanation

So, when an axon is at rest, the anions give it a negative charge, the sodium pumps keep sodium out and potassium in, and the sodium gates and potassium gates are all closed. Because of the positive-negative difference between the inside and outside, this resting state is called a resting potential.The ion channels carry electrical charges necessary to keep the channels open, especially K + ^+ + channels, to establish the membrane potential. ATP is the energy that maintains the channels found throughout the cell membrane. If no ATP can be produced the following happens, the charge outside the axon membrane becomes less positive, hence the option is correct.

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