A single plant cell is placed in an open beaker containingdeionised water. Very slowly, solutes are added to the water, whichis gently stirred. The cell is observed through a microscope.Eventually, the plasma membrane begins to pull away from the cellwall. a) Briefly explain why this occurred. [2 marks] The momentbefore the plasma membrane began to pull away from the cell wall,the osmotic potential in the bathing solution was –2.00 MPa. Thebathing solution was later replaced with deionised water and thecell was given time to reach equilibrium. The plasma membrane wasonce again pushing against the cell wall. b) What is the pressurepotential inside the cell now? Explain your answer.
