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Hi I have a test tomorrow in Homeostasis and I appreciate it if you can answer these questions so that I can check with my answers. Will give best answer.

Assume that a plant and an animal cell with a water potential of -1.0 MPa are placed in a beaker containing a sucrose solution that has a water potential of -3.0 MPa. Further, assume the temperature of the solution is 24 C.

1.

The plant cell will become:

a. larger b. smaller c. not change

2.

The weight of the plant cell will:

a. increase b. decrease c. not change

3.

The animal cell will become:

a. larger b. smaller c. not change

4.

The turgidity of the plant cell will:

a. increase b. decrease c. not change

5.

The turgidity of the animal cell will:

a. increase b. decrease c. not change

6.

There will be a net movement of water from the:

a. plant cell to solution b. solution to plant cell

7.

There will be a net movement of water from the:

a. animal cell to solution b. solution to animal cell

8.

The animal cell will likely burst:

a. false b. true

9.

The plant cell will likely plasmolyze:

a. false b. true

Using water potential terminology, explain why:

10.- Over-fertilizing a crop field will cause plants to “burn” (the leaves wilt, become dry and fall off).

11- Why plant breeders who developed oranges for making juice had to make the oranges sweeter.

12- A normal practice in restaurants is to keep the unsold lettuce in cold tap water to keep it crispy for the next day, why?

 

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