Question 1

Based on the first image, what will most likely happen to the cell after being placed in the solution for a period of time?

Accepted Answer

The cell will shrink as water leaves the cell by osmosis.

Question 2

Refer to the second image. Which direction will water move due to osmosis?

Accepted Answer

Water will move from inside the cell to outside the cell.

Question 3

Given the concentrations in the second image, what type of solution is the cell placed in?

Accepted Answer

Hypertonic solution

Question 4

If the cell in the second image is a plant cell, what is the most likely immediate effect of being placed in this solution?

Accepted Answer

The cell will undergo plasmolysis as water leaves the cell.

Question 5

Using the information from the second image, calculate the water potential gradient. Which equation best represents the movement of water?

Accepted Answer

$$\Delta \Psi = \Psi_{outside} - \Psi_{inside}$$

Question 6

If the cell membrane is selectively permeable, which of the following statements is true regarding the movement of salt and water in the scenario shown in the second image?

Accepted Answer

Only water will move across the membrane, from inside to outside.

Question 7

What is the main force driving the movement of water in the scenarios depicted in the images?

Accepted Answer

Concentration gradient (osmosis)

Question 8

If the cell in the first image was instead placed in pure water, what would happen?

Accepted Answer

Water would move into the cell, causing it to swell.

Question 9

Which of the following best describes the process occurring in the first image?

Accepted Answer

Osmosis

Question 10

If the cell in the second image expends energy to move salt against its concentration gradient, which process is being used?

Accepted Answer

Active transport

General Biology Exam Review Guidance: Water, Membranes, Macromolecules, and Cellular Transport

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