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Clicker quiz 2!

This quiz explores concepts related to cell membranes, including their composition, the process of diffusion, and the principles of osmosis. Participants will learn about the types of particles that can diffuse through lipid bilayers, the functions of various membrane proteins, and how differences in solute concentrations affect cell behavior. Test your knowledge of hypertonic, hypotonic, and isotonic solutions, along with essential terminology relevant to cellular biology. Perfect for students and enthusiasts of biology!

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Clicker quiz 2!

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Presentation Transcript

  1. Clicker quiz 2! Have your clickers ready!

  2. 1. Cell membranes are made up (mostly) of: • Proteins and complex carbs • Complex carbs and lipids • Lipids and proteins • Proteins and nucleic acids 30 Countdown

  3. 2. Which particles can diffuse directly through the lipid bilayer? • Ions • Small polar molecules • Gases • Large non-polar molecules 30 Countdown

  4. 3. Diffusion if ions through the cell membrane occurs through: • Phospholipidbilayer • Channel proteins • Receptor proteins • Thin portions of the membrane 30 Countdown

  5. 4. Osmosis is: • The opposite of diffusion. • A synonym for diffusion. • The diffusion of water through a membrane. • Absorption of any substance. 30 Countdown

  6. 5. If a solution has more salt than the interior of a cell, the solution is: • Hypertonic • Hypotonic • Isotonic when compared with the interior of the cell. 30 Countdown

  7. 6. Water entered the osmometer in last week’s lab because it was placed in a ____ solution. • Hypertonic • Hypotonic • Isotonic 30 Countdown

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