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17. If a potato cup is filled with a strong sugar solution, what will happen to the level of the solution in the cup?

A. Increase because water moves from the potato cells to the solution.
B. Decrease because water moves from the solution to the potato cells.
C. Remain the same.
D. All of the above.

18. When a plant cell is placed in a hypertonic solution, the net flux of water is out of the cell; as a result, the cell will:

A. Hypotonic, shrinking.
B. Isotonic, remain constant.
C. Hypertonic, swell up.
D. Hypertonic, shrink.

19. In which of the following transport methods do particles move from a region of low concentration to a higher concentration across a cell membrane?

A. Active transport.
B. Facilitated diffusion.
C. Simple diffusion.
D. Osmosis.

20. Which of the following does not use energy?

A. Active transport.
B. Facilitated diffusion.
C. Simple diffusion.
D. Osmosis.

Answer :

Final answer:

In a strong sugar solution, water moves from potato cells to the solution, increasing its level. In a hypertonic solution, plant cells shrink due to water loss. Active transport is the method for moving particles from low to high concentration.


Explanation:

Understanding Potato Cells in Different Solutions

When a potato cup is filled with a strong sugar solution, the concentration of solutes outside the potato cells is greater than that inside. This condition is referred to as a hypertonic environment. Thus, water will move out of the potato cells towards the sugar solution to balance the solute concentrations. As a result, the level of the sugar solution in the cup will increase because of the loss of water from the potato cells.

Why Does This Happen?

In biological terms, the process is called osmosis, which is the movement of water across a semipermeable membrane from an area of low solute concentration to an area of high solute concentration. Therefore, the correct answer to the situation described is:

  1. Increase because water moves from the potato cells to the solution.

About Plant Cells in Various Solutions

Furthermore, when a plant cell is placed in a hypertonic solution, water also exits the cell, leading to the cell shrinking. The correct option here is:

  1. D. Hypertonic, shrinking

Transport Methods Across Cell Membranes

For the final question on transport methods, particles moving from a low concentration to a high concentration across a cell membrane do so via active transport, which requires energy. Therefore, the answer is:

  1. A. Active transport

Learn more about Osmosis and Cell Transport here:

https://brainly.com/question/12046280


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