Cell Membrane

Front

What does it mean that the cell membrane is selectively permeable?

Back

It means that certain things can enter while others cannot.

Front

What is NOT TRUE about the cell membrane?

Back

It contains digestive enzymes.

Front

What is another term for equilibrium?

Back

Homeostasis.

Front

True or false: Regulating what enters and leaves the cell helps the cell maintain homeostasis.

Back

True.

Front

What does it mean when something is selectively permeable?

Back

It means some molecules can cross the membrane while others cannot.

Front

What is the primary structure of the cell membrane?

Back

Phospholipid bilayer.

Front

What role do proteins play in the cell membrane?

Back

They assist in transporting materials across the membrane.

Front

What is the function of cholesterol in the cell membrane?

Back

It helps to stabilize the membrane's fluidity.

Front

Define diffusion in the context of cell membranes.

Back

The movement of molecules from an area of higher concentration to an area of lower concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.