Cell Transport

Front

What is diffusion?

Back

Diffusion is the process by which particles move from an area of high concentration to an area of low concentration until they are evenly distributed.

Front

What is osmosis?

Back

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

Front

What does equilibrium mean in the context of cell transport?

Back

Equilibrium is the state when the concentration of substances is equal inside and outside the cell, resulting in no net movement of particles.

Front

What is active transport?

Back

Active transport is the movement of substances across a cell membrane against their concentration gradient, requiring energy.

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.

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.

Front

What does 'high concentration area' mean?

Back

A high concentration area refers to a space where particles are tightly packed together.

Front

What is the role of the cell membrane in transport?

Back

The cell membrane controls the movement of substances in and out of the cell, maintaining homeostasis.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is the process of passive transport of molecules across a cell membrane via specific transmembrane 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 gradient.