Biology Chapter: Diffusion and Osmosis

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Questions and Answers

What process describes the movement of particles from an area of high concentration to an area of low concentration?

  • Facilitated diffusion
  • Osmosis
  • Diffusion (correct)
  • Filtration

What term describes a solution that has a higher concentration of solute compared to another solution?

  • Isothermal
  • Hypertonic (correct)
  • Hypotonic
  • Isotonic

Which of the following correctly defines osmosis?

  • Random motion of particles in a gas
  • Movement of solute molecules across a membrane
  • Movement of water through a selectively permeable membrane (correct)
  • Diffusion of air in an enclosed space

What does the term 'hypotonic' imply about a solution?

<p>It has a lower concentration of solute (C)</p> Signup and view all the answers

Which of the following terms refers to solutions with an equal concentration of solute?

<p>Isotonic (A)</p> Signup and view all the answers

Flashcards

Diffusion

Particles in a solution move from a high concentration area to a low concentration area.

Osmosis

The movement of water through a selectively permeable membrane.

Hypertonic

A solution with higher solute concentration than another solution.

Hypotonic

A solution with lower solute concentration than another solution.

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Isotonic

Two solutions with the same solute concentration.

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Study Notes

Diffusion

  • Particles in a solution move from high concentration to low concentration.

Osmosis

  • Movement of water through a selectively permeable membrane.

Hypertonic

  • Higher solute concentration compared to another solution.

Hypotonic

  • Lower solute concentration compared to another solution.

Isotonic

  • Equal solute concentration compared to another solution.

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