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Quiz

Chapter 8: Movement Through Cell Membranes

John Loughlin 10 Fragen

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  1. 1Cell membranes are:
    1. AFully permeable
    2. BSelectively permeable
    3. CImpermeable
    4. DSometimes permeable and sometimes impermeable
  2. 2Osmosis is:
    1. ADiffusion of gases from high concentration to low concentration
    2. BDiffusion of molecules from a region of low concentration to high concentration across a semi-permeable membrane
    3. CDiffusion of water molecules from a region of high water concentration to low water concentration across a semi-permeable membrane
    4. DDiffusion of molecules from a region of high concentration to low concentration across a semi-permeable membrane
  3. 3What happens to a plant cell when it loses water?
    1. AIt becomes plasmolysed
    2. BIt becomes turgid
    3. CIt undergoes crenation
    4. DIt undergoes mitosis
  4. 4What would happen to a human blood cell if it was placed in a solution that was less concentrated than itself?
    1. AIt would become plasmolysed
    2. BIt would become turgid
    3. CIt would undergoes crenation
    4. DIt would burst
  5. 5What would happen to a human blood cell if it was placed in a solution that was more concentrated than itself?
    1. AIt would become plasmolysed
    2. BIt would become turgid
    3. CIt would undergo crenation
    4. DIt would burst
  6. 6Using your knowledge of osmosis, choose which option best describes what would happen to you if you drank sea water.
    1. AYou would become fully hydrated and your thirst would be quenched
    2. BNothing would happen
    3. CYou would become even more dehydrated as water would move from your blood into your stomach
    4. DAfter a short time it would increase urine formation by the kidneys
  7. 7Turgor is:
    1. APressure of the cell wall on the cell membrane
    2. BPressure of the cell contents on the cell wall
    3. CMovement of water into a cell
    4. DMovement of water out of a cell
  8. 8Plasmolysis is:
    1. APressure of the cell wall against the cell membrane
    2. BPressure of the cell contents on the cell wall
    3. CWhen the cell membrane has lost water and peels away from the cell wall
    4. DWhen water moves into the plant cell
  9. 9Which one of the following is unsuitable for use as a semi-permeable membrane to demonstrate osmosis?
    1. ADialysis tubing
    2. BVisking tubing
    3. CCellophane
    4. DPlastic bag
  10. 10Which of the following is not an application of osmosis:
    1. ASalting food
    2. BCold smoking food
    3. CAdding sugar to food
    4. DDehydration of food

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Beschreibung
Multiple choice questions on movement through cell membranes
Sprache
English
Aufrufe
101
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