Biology Chapter on Diffusion and Osmosis

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Questions and Answers

What describes the process of diffusion?

Movement of particles without a concentration gradient
Movement of particles from low to high concentration
Movement of particles from high to low concentration (correct)
Movement of water through a membrane

What occurs in a hypertonic solution?

Water moves into the cell
Water remains the same inside and outside the cell
Water moves out of the cell (correct)
Cells burst due to excess water intake

Which term describes a solution with equal concentrations of solute and solvent?

Isotonic (correct)
Hypotonic
Hypertonic
Concentrated

What best describes osmosis?

<p>The movement of water through a selectively permeable membrane (C)</p> Signup and view all the answers

How would you describe a hypotonic solution?

<p>It has a lower concentration of solutes than another solution (B)</p> Signup and view all the answers

Flashcards

Diffusion

The movement of particles from an area of higher concentration to an area of lower concentration.

Osmosis

The movement of water across a selectively permeable membrane from a region of high water concentration to a region of low water concentration.

Hypertonic

A solution with a higher concentration of solutes than another solution.

Hypotonic

A solution with a lower concentration of solutes than another solution.

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Isotonic

Two solutions with the same concentration of solutes.

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Study Notes

Diffusion

Particles in a solution move from a higher concentration area to a lower concentration area.

Osmosis

Movement of water across a selectively permeable membrane.

Tonicity

Hypertonic: A solution with a higher solute concentration compared to another solution.
Hypotonic: A solution with a lower solute concentration compared to another solution.
Isotonic: A solution with the same solute concentration as another solution.

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Description

Test your understanding of diffusion and osmosis in biological systems with this quiz. Explore concepts like concentration gradients and tonicity, including hypertonic, hypotonic, and isotonic solutions. Perfect for biology students wanting to review key ideas.