I really need help! 

The concentration of salt is higher inside a cell than outside the cell. The concentration of water inside the cell is lower than it is outside. Salt cannot pass through the cell membrane.

What will happen to the concentrations of water and salt?

A.
Water will move into the cell through diffusion. The salt concentration will be greater inside than outside.

B.
Water will move out of the cell through diffusion. The salt concentration will be less inside than outside.

C.
Water will move into the cell through osmosis. The salt and water concentrations will become similar inside and outside the cell.

D.
Water will move out of the cell through osmosis. The salt and water concentrations will become similar inside and outside the cell.

Respuesta :

C, water moves by osmosis which narrows it down to c and d and seen as it requires no energy for this to happen, the water milecules must go from a higher concentration to a lower concentration until they become the same in and outside the cell
So,

Assuming that the plasma membrane is either semipermeable or fully permeable, either diffusion or osmosis will even out the concentration eventually.  Therefore, options A and B are eliminated.

The only options left both say that osmosis will take place.  We know that osmosis will always move the solvent from an area of low solute concentration (outside the cell) to an area of high solute concentration (inside the cell).  Thus, water will move into the cell through osmosis.  That is option C.

If the cell cannot get rid of the water quickly enough, the cell will explode by cytolysis.