Q:

Why does the plasma membrane of a cell present a barrier to the movement of electrolytes through it

0

Why does the plasma membrane of a cell present a barrier to the movement of

electrolytes through it?


  1. There are no channels in the membrane for the passage of electrolytes.
  2. Electrolytes are not soluble in the lipid of the membrane.
  3. Electrolytes are too large to pass through membrane channels.
  4. Membrane proteins electrically repel charged particles.

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B: electrolytes, being charged particles are not able to dissolve their

way through the lipid plasma membrane (which is non-polar). Hence it is a barrier

to them.

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