Osmosis

• What does osmosis involve in terms of solutions?

  Water moves from dilute to concentrated solutions
• What type of membrane allows osmosis to occur?

  Partially permeable membrane
• What is a dilute sugar solution characterized by?

  High concentration of water
• What is a concentrated sugar solution characterized by?

  Low concentration of water
• What is the effect of osmosis on animal cells placed in water?

  The cell expands and may burst
• What happens to an animal cell in a concentrated solution?

  Water moves out, causing the cell to shrink
• What happens to a plant cell placed in water?

  The cell expands and becomes turgid
• What prevents a plant cell from bursting when it expands?

  The cell wall provides structural support
• What happens to a plant cell in a concentrated solution?

  Water moves out, causing the cell to shrink
• What term describes a plant cell that has become swollen due to osmosis?

  Turgid
• What term describes a plant cell that has lost water and shrunk?

  Flaccid