EOC Review- Unit 2- Membrane, Cell Tonicity and Cell Transport

Front

What is a hypertonic solution?

Back

A hypertonic solution has a higher concentration of solutes compared to the inside of the cell, causing water to move out of the cell, leading to cell shrinkage.

Front

What is a hypotonic solution?

Back

A hypotonic solution has a lower concentration of solutes compared to the inside of the cell, causing water to move into the cell, leading to cell swelling.

Front

What is an isotonic solution?

Back

An isotonic solution has the same concentration of solutes as the inside of the cell, resulting in no net movement of water into or out of the cell.

Front

What is passive transport?

Back

Passive transport is the movement of particles across a cell membrane from an area of high concentration to an area of low concentration without the use of energy.

Front

What is active transport?

Back

Active transport is the movement of particles across a cell membrane from an area of low concentration to an area of high concentration, requiring energy.

Front

What role does energy play in active transport?

Back

Energy is required in active transport to move substances against their concentration gradient.

Front

What happens to a cell in a hypertonic solution?

Back

In a hypertonic solution, the cell loses water and shrinks due to the higher concentration of solutes outside the cell.

Front

What happens to a cell in a hypotonic solution?

Back

In a hypotonic solution, the cell gains water and may swell or burst due to the lower concentration of solutes outside the cell.

Front

What is the concentration gradient?

Back

The concentration gradient is the difference in the concentration of a substance across a space, which drives the movement of particles.

Front

What is osmosis?

Back

Osmosis is the diffusion of water across a selectively permeable membrane from an area of low solute concentration to an area of high solute concentration.