Cell Transport

Front

What is cell transport?

Back

Cell transport is the movement of substances into and out of cells, which is essential for maintaining homeostasis.

Front

What is facilitated diffusion?

Back

Facilitated diffusion is a type of passive transport that allows molecules to cross membranes with the assistance of special proteins.

Front

What is active transport?

Back

Active transport is the movement of molecules against their concentration gradient, requiring energy.

Front

What is simple diffusion?

Back

Simple diffusion is the movement of molecules from an area of high concentration to an area of low concentration without the use of energy.

Front

What is osmosis?

Back

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

Front

What does it mean for a membrane to be semipermeable?

Back

A semipermeable membrane allows certain substances to pass through while blocking others.

Front

What is homeostasis?

Back

Homeostasis is the process by which living organisms maintain a stable internal environment despite changes in external conditions.

Front

What is the difference between passive and active transport?

Back

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

Front

What is a concentration gradient?

Back

A concentration gradient is the difference in the concentration of a substance across a space.

Front

What happens during diffusion?

Back

During diffusion, molecules move from an area of high concentration to an area of low concentration until equilibrium is reached.