Active & Passive Transport

Front

What is the process called when cells take in food molecules through active transport?

Back

Phagocytosis

Front

What is the movement of molecules from an area of high concentration to an area of low concentration called?

Back

Diffusion, Passive transport, Osmosis (all of the above)

Front

What is the term for the movement of molecules through the cell membrane from high to low concentration?

Back

Passive transport

Front

What happens to a red blood cell when it is placed in distilled water?

Back

It will swell and burst.

Front

Which of the following is NOT a form of active transport?

Back

Osmosis

Front

Define active transport.

Back

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

Front

Define passive transport.

Back

The movement of molecules across the cell membrane without the use of energy, following the concentration gradient.

Front

What is osmosis?

Back

The diffusion of water molecules through a selectively permeable membrane.

Front

What is endocytosis?

Back

The process by which cells take in substances by engulfing them in a membrane.

Front

What is exocytosis?

Back

The process by which cells expel materials in vesicles that fuse with the cell membrane.