What 2 structures make up the lipid bilayer?

What is the main function of the cell membrane?

Which type of protein acts as a name tag?

Which of the following is an example of a substance that is transported across the membrane?

The movement of particles from an area of high to low concentration is what?

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

Simple diffusion allows small, nonpolar molecules to pass directly through the membrane.

Facilitated diffusion allows larger, polar molecules to pass directly through the membrane.

Osmosis is the movement of _________ from an area of high to low concentration.

Within the sodium-potassium pump, what is pumped into and out of the cell?

What is the name of the cell membrane structure?