Algal cells are placed in an isotonic solution. Additional amounts of solutes are slowly added to the solution. What happens to the cells?

Question 7 options:

They will begin to swell.

They will burst.

They will stay the same.

They will shrink.

they will shrink

Explanation:

When solutes are added to the solution, the solution becomes hypertonic to the algal cells. Water molecules move out of the cell into the solution by osmosis because of an increase in osmotic pressure. The cells become soft and less rigid because they have shrunk.