Diffusion and Osmosis

Front

What is diffusion?

Back

Diffusion is the process by which molecules move from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

Osmosis is the movement of water molecules through a semipermeable membrane from an area of high water concentration to an area of low water concentration.

Front

What happens to a cell in a salty environment?

Back

In a salty environment, water will move out of the cell, causing it to shrink.

Front

What is equilibrium in the context of cells?

Back

Equilibrium is the state in which the concentration of water inside and outside of a cell is equal.

Front

What is a semipermeable membrane?

Back

A semipermeable membrane is a barrier that allows certain molecules to pass through while blocking others.

Front

How does temperature affect diffusion?

Back

Higher temperatures increase the energy of molecules, leading to faster diffusion rates.

Front

What is the role of concentration gradients in diffusion?

Back

Concentration gradients drive the movement of molecules from areas of high concentration to areas of low concentration.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process by which molecules pass through a cell membrane via specific carrier proteins.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy and moves substances down their concentration gradient, while active transport requires energy to move substances against their concentration gradient.

Front

What is hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes compared to another solution, leading to water moving out of cells placed in this solution.