Passive Transport Review

Front

What is passive transport?

Back

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

Front

What does selectively permeable mean?

Back

The ability of the cell membrane to allow some things to pass through while preventing others.

Front

What regulates what enters and leaves a cell?

Back

Cell Membrane.

Front

Which process is NOT a type of passive transport?

Back

Endocytosis.

Front

Why is passive transport called 'passive'?

Back

Because it occurs without the use of energy.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What is diffusion?

Back

The movement of molecules from an area of high concentration to an area of low concentration.

Front

What is facilitated diffusion?

Back

The process of passive transport of molecules across a cell membrane via specific transmembrane integral proteins.

Front

What is the role of the cell membrane in passive transport?

Back

It acts as a barrier that regulates the movement of substances in and out of the cell.

Front

What is a concentration gradient?

Back

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