Cellular Processes and Transport Mechanisms

Front

What is homeostasis?

Back

The maintenance of a constant internal state in changing environments.

Front

What is diffusion?

Back

The movement of molecules from high concentration to low concentration.

Front

What is passive transport?

Back

The movement of particles across a cell membrane without the use of energy.

Front

What is active transport?

Back

The movement of particles across a cell membrane with the use of energy.

Front

What is osmosis?

Back

The diffusion of water through a cell membrane.

Front

What is endocytosis?

Back

The process by which a cell uses energy to surround a particle and enclose the particle in a vehicle to bring the particle into the cell.

Front

What is exocytosis?

Back

The process by which a cell uses energy to release particles from a cell.