Cell Membranes and Transport

Front

What type of transport requires the use of transport proteins?

Back

Facilitated Diffusion

Front

What is the cell membrane primarily composed of?

Back

Phospholipid Bilayer

Front

What is the process called when substances move from an area of high concentration to an area of low concentration?

Back

Diffusion

Front

Does Active Transport require energy?

Back

Yes, it does.

Front

What type of transport occurs directly across the cell membrane?

Back

Passive Transport

Front

What is the main function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the difference between passive and active transport?

Back

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

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What are transport proteins?

Back

Proteins that help move substances across the cell membrane.

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain fluidity and stability of the membrane.