Use this key to answer all the problems below. lf you choose B or c, rewrite the

Question

Use this key to answer all the problems below. lf you choose B or c, rewrite the statement so that it is complete and true. A = TRUE B = FALSE C = NOT ENOUGH INFORMATION A cell is in equilibrium with its environment. The solute potential of the cell's cytoplasm is -0.48 MPa. The water potential of the surrounding solution is 0.36 Mpa. When the cell was first put into the solution, it was flaccid. Since the cell was put into this solution, its solute potential and pressure potential have both risen. The pressure potential of the cell is now +0.32MPa. The cell has a higher solute potential than the surrounding solution The cell's water potential is now lower than that of the surrounding solution. Initially, the cell's solute potential was lower than that outside. Initially, the cell's water potential was lower than that outside. There is still a concentration gradient that tends to draw water into the cell. The cell is still flaccid. The pressure potential of the cell is equal to that outside the cell There is lower free energy inside the cell than outside.

Explanation / Answer

1. A

2. B. The pressure potential of the cell is now 0.48-0.36= 0.12Mpa.

3. B. The cell has lower solute potential then surroundig solution.

4.B. the cell's water potential is now equal to that of the surrounding solution.

5. A

6.A

7. A

8. B.The cell is no more flaccid now, it has become turgid.

9.B. The pressure potential of the cell is greater than outside the cell

10. B. There is equal energy inside and outside the cell.

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