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Activity 7

Activity 7. A Model Membrane. What do you already know about the cell membrane?. Read the introduction. What do you think are the functions of the cell membrane? Why does every cell need one?. Challenge. What structures and characteristics help the cell membrane perform its functions?.

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Activity 7

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  1. Activity 7 A Model Membrane

  2. What do you already know about the cell membrane?

  3. Read the introduction. • What do you think are the functions of the cell membrane? • Why does every cell need one?

  4. Challenge • What structures and characteristics help the cell membrane perform its functions?

  5. Be patient when making your bubbles. Exhale into the straw slowly.

  6. What does the model membrane demonstrate about the properties of cell membranes? • What do you think are some shortcomings of the model of the membrane?

  7. Analysis 6 • Based on the diabetes case study, what conclusions can you make about the relationships between body weight, a country’s income level, and diabetes?

  8. Revisit the Challenge • What structures and characteristics help the cell membrane perform its functions?

  9. Key Vocabulary • cell membrane • diabetes • membrane • transport protein

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