Question 1
Which of the following statements about the resting membrane potential is TRUE?
Multiple choice question.

A)
The exterior of the cell has a net positive charge and the interior is neutral.

B)
The exterior of the cell has a net positive charge and the interior has a net negative charge.

C)
The exterior of the cell has a net negative charge and the interior is neutral.

D)
The exterior of the cell is neutral and the interior has a net negative charge.

E)
The exterior of the cell has a net negative charge and the interior has a net positive charge.

Respuesta :

Answer:

B)

The exterior of the cell has a net positive charge and the interior has a net negative charge.

Explanation:

The statement about the resting membrane potential 'the exterior of the cell has a net positive charge and the interior has a net negative charge' is TRUE (Option B).

  • The resting potential refers to the electrical potential charges produced by the separation of opposite charges across biological membranes.

  • At the resting potential, a cell has a negative charge due to the accumulation of more sodium (Na+) ions outside the cell than potassium (K+) in the interior of the cell.

  • For example, a neuron is 70 millivolts more negative than the outside medium at its resting potential.

In conclusion, the statement about the resting membrane potential 'the exterior of the cell has a net positive charge and the interior has a net negative charge' is TRUE (Option B).

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