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Clicker quiz 2!

Clicker quiz 2!. Have your clickers ready!. 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. 2. Which particles can diffuse directly through the lipid bilayer ?. Ions

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Clicker quiz 2!

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  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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