Cell Functions Review

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

All organisms are made of _____ .

Back

cells

Front

Which is true about active transport?

Back

It requires energy.

Front

What is it called when molecules move across the cell membrane from an area of high concentration to an area of low concentration through a carrier protein?

Back

Facilitated Diffusion

Front

What body process takes in oxygen and puts out carbon dioxide?

Back

Respiration.

Front

Define diffusion.

Back

The movement of molecules from an area of high concentration to an area of low concentration without the use of energy.

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and exits.

Front

What is the role of mitochondria in a cell?

Back

To produce energy through cellular respiration.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport does.

Front

What is a concentration gradient?

Back

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