Cell Transport Vocab

Front

What is cell transport?

Back

The process by which substances move in and out of cells.

Front

What is passive transport?

Back

A type of cell transport that does not require energy (ATP) to move substances across the cell membrane.

Front

What is active transport?

Back

A type of cell transport that requires energy (ATP) to move substances against their concentration gradient.

Front

What does semi-permeable mean?

Back

A membrane that allows only some materials to cross while blocking others.

Tags

NGSS.MS-LS1-2

Front

What is a concentration gradient?

Back

The difference in concentration of a substance across a space.

Front

What does 'high concentration area' mean?

Back

An area where particles are tightly packed together.

Tags

NGSS.HS-PS1-5

Front

What does 'low concentration area' mean?

Back

An area where particles are spread out.

Tags

NGSS.HS-PS1-5

Front

What is diffusion?

Back

The process by which molecules spread from an area of high concentration to an area of low concentration.

Tags

NGSS.HS-LS2-3

Front

What is osmosis?

Back

The diffusion of water across a semi-permeable membrane.

Front

What is facilitated diffusion?

Back

A type of passive transport that uses transport proteins to help move substances across the membrane.