Membrane Transport

Front

What is the main function of the cell membrane?

Back

Regulation, Protection, Communication, All of the above.

Front

What is the process by which cells transport out large molecules?

Back

Exocytosis.

Front

What is the term for the diffusion of water across a semipermeable membrane?

Back

Osmosis.

Front

All cells have a...

Back

Plasma membrane.

Front

Which type of transport requires energy?

Back

Sodium Potassium Pump.

Front

What is the role of the plasma membrane?

Back

To protect the cell and regulate what enters and exits.

Front

Define diffusion.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is facilitated diffusion?

Back

A process that allows substances to cross membranes with the assistance of special proteins.

Front

What is active transport?

Back

The movement of molecules against their concentration gradient, requiring energy.

Front

What is endocytosis?

Back

The process by which cells take in large molecules by engulfing them.