resting membrane potential review questions

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Biology - Biophysics

user_lira_cofre Created by 9 mon ago

Cards in this deck(12)

Do ions move across the cell membrane by simple diffusion or _____ diffusion?

How can membrane permeability to an ion be increased? By adding _____ channels.

The active transporter responsible for maintaining the physiologically normal concentrations of sodium and potassium in the intracellular fluids is the sodium-potassium _____.

The concentration gradient favors K+ _____ from the cell.

Potassium is held in a cell by the forces of negative charge that builds up in the plasma membrane, known as the _____ gradient.

As potassium diffuses out of a cell, the cell's membrane potential becomes more _____.

When ion channels close, the permeability of the plasma membrane to that ion _____ and resistance _____.

Which ion has a higher concentration in the extracellular fluid than the intracellular fluid, Na+ or K+? The answer is _____.

What is a typical cell's resting membrane potential (RMP)? It is _____ mV.

Which ion has more leak channels open when it is at its resting membrane potential (RMP)? The ion is _____.

The equilibrium potential for Na+ is _____ mV.

The equilibrium potential for K+ is _____ mV.

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resting membrane potential review questions

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