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During an action potential, charge flows across the cell membrane (for example, from the intracellular region to the extracellular region). Assume we have a cylindrical axon of length 0.01m, radius 7nm and with a cell membrane thickness of 1nm. If it takes 0.8ms for a current of 13 nA to cross the membrane, how much charge flows across the membrane

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onyebuchinnaji

The amount of charge flowing across the membrane is 1.04 x 10⁻¹¹C.

Charge flowing across the membrane

The amount of charge flowing across the membrane is calculated as follows;

Q = It

where;

  • I is current flowing in the membrane
  • t is time of current flow

Q = 13 x 10⁻⁹ x 0.8 x 10⁻³

Q = 1.04 x 10⁻¹¹C

Thus, the amount of charge flowing across the membrane is 1.04 x 10⁻¹¹C.

Learn more about charge here: https://brainly.com/question/18102056

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