Cell Society Diffusion Dilemma And Water Shortage Quiz

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Cell Society Diffusion Dilemma And Water Shortage Quiz - Quiz

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Questions and Answers
  • 1. 

    What is it called when people (or solutes) move from low concentration to high concentration?

    • A.

      Passive Diffusion

    • B.

      Active Transport

    • C.

      Osmosis

    Correct Answer
    B. Active Transport
    Explanation
    Active transport is the correct answer because it refers to the process in which solutes or particles move from an area of low concentration to an area of high concentration. This process requires the expenditure of energy by the cell or organism to transport molecules against the concentration gradient. Unlike passive diffusion, which occurs without the need for energy, active transport is a vital mechanism for maintaining homeostasis and ensuring the proper functioning of cells. Osmosis, on the other hand, refers specifically to the movement of water molecules across a semi-permeable membrane.

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  • 2. 

    Which of these needs energy in order to happen?

    • A.

      Passive Diffusion

    • B.

      Active Transport

    • C.

      Osmosis

    • D.

      Option 4

    Correct Answer
    B. Active Transport
    Explanation
    Active transport requires energy in order to happen. Passive diffusion and osmosis, on the other hand, do not require energy. Active transport is a process in which molecules or ions move across a cell membrane against their concentration gradient, from an area of lower concentration to an area of higher concentration. This movement is facilitated by specific transport proteins called pumps, which require energy in the form of ATP to actively transport substances across the membrane.

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  • 3. 

    When your cell society becomes crowded with people (more people inside than outside), which direction would most people want to move (without using energy)?

    • A.

      Inside the cell

    • B.

      Outside the cell

    • C.

      Option 3

    • D.

      Option 4

    Correct Answer
    B. Outside the cell
    Explanation
    When a cell society becomes crowded with people, most people would want to move outside the cell because it would provide more space and alleviate the feeling of being crowded. Moving outside the cell would also allow individuals to have access to fresh air and potentially find more resources or opportunities.

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  • 4. 

    What is the movement of water called?

    • A.

      Passive Diffusion

    • B.

      Active Transport

    • C.

      Osmosis

    • D.

      Option 4

    Correct Answer
    C. Osmosis
    Explanation
    Osmosis is the movement of water across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration. It is a passive process that does not require energy. In osmosis, water molecules move in order to equalize the concentration of solute on both sides of the membrane. This process is important for maintaining the balance of water and solutes in cells and tissues.

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  • 5. 

    Using this situation, is the outside hypertonic, hypotonic, or isotonic compared to the cell? (remember to look at the number of people)

    • A.

      Hypertonic

    • B.

      Hypotonic

    • C.

      Isotonic

    Correct Answer
    B. Hypotonic
    Explanation
    The given answer is "Hypotonic" because the question mentions "Using this situation" which implies that there is a situation described in the previous context. However, since the context is not provided, it is not possible to determine the specific reason why the outside is hypotonic compared to the cell.

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  • 6. 

    Using this situation, which direction will the water move?

    • A.

      Inside the cell

    • B.

      Outside the cell

    • C.

      Both inside and outside

    Correct Answer
    A. Inside the cell
    Explanation
    When the question mentions "using this situation," it implies that there is a specific situation being referred to, although it is not explicitly mentioned. In general, water moves inside the cell when there is a higher concentration of solutes (such as salts or sugars) inside the cell compared to outside. This creates a concentration gradient, causing water to move from an area of lower solute concentration (outside the cell) to an area of higher solute concentration (inside the cell) through a process called osmosis. Therefore, the correct answer is "Inside the cell."

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  • 7. 

    Using this situation, what will happen to the cell after the water moves through osmosis?

    • A.

      The cell will shrink

    • B.

      The cell will swell/burst

    • C.

      The cell will stay the same

    Correct Answer
    B. The cell will swell/burst
  • 8. 

    Using this situation, is the outside solution hypertonic, hypotonic, or isotonic compared to the cell?

    • A.

      Hypertonic

    • B.

      Hypotonic

    • C.

      Isotonic

    Correct Answer
    C. Isotonic
    Explanation
    The outside solution is isotonic compared to the cell because it has the same concentration of solutes as the cell. In an isotonic solution, there is no net movement of water across the cell membrane, resulting in a stable cell volume.

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  • 9. 

    Using this situation, what direction will water move through osmosis?

    • A.

      Inside the cell

    • B.

      Outside the cell

    • C.

      Both inside and outside

    Correct Answer
    C. Both inside and outside
    Explanation
    Osmosis is the movement of water molecules across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration. In this situation, water will move both inside and outside the cell through osmosis. If the solute concentration is higher inside the cell compared to the surrounding environment, water will move from outside the cell to inside, causing the cell to swell. Conversely, if the solute concentration is higher outside the cell, water will move from inside the cell to outside, causing the cell to shrink. Therefore, osmosis can occur in both directions depending on the relative solute concentrations.

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  • 10. 

    Using this situation, what would happen to the cell?

    • A.

      The cell would shrink

    • B.

      The cell would swell

    • C.

      The cell would stay the same

    Correct Answer
    C. The cell would stay the same
    Explanation
    The given answer states that the cell would stay the same. This implies that there would be no change in the size or volume of the cell. It suggests that the situation described does not have any effect on the cell's size or shape.

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  • 11. 

    Starfish cells are used to being in very salty water. Star fish cells normally have high concentrations of salt. What would happen to the star fish cells if we put the starfish in fresh water (low concentration of salt).

    • A.

      The fresh water is hypertonic to the starfish cells, so the cells would shrink

    • B.

      The fresh water is hypotonic to the starfish cells, so the cells would shrink

    • C.

      The fresh water is hypertonic to the starfish cells, so the cells would swell/burst

    • D.

      The fresh water is hypotonic to the starfish cells, so the cells would swell/burst

    Correct Answer
    D. The fresh water is hypotonic to the starfish cells, so the cells would swell/burst
    Explanation
    Since the starfish cells have lots of salt and the freshwater has a low concentration of salt, that means the freshwater is hypotonic to the starfish cells. Hypo= Low. Whenever cells are in hypotonic solutions, water goes into the cell and makes the cell swell.

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