Cell Membrane Structure and Function

Front

What is the type of cellular transport that requires no energy?

Back

Passive Transport

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

Proteins

Front

When particles move up the gradient, from a low concentration to high concentration while requiring energy, what is this process called?

Back

Active Transport

Front

In an isotonic solution, which way will the water flow?

Back

It will flow both ways at equal rates.

Front

Identify a peripheral protein.

Back

Structure H

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

What are the two main components of the cell membrane?

Back

Phospholipids and proteins.

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain fluidity and stability of the membrane.

Front

Define diffusion.

Back

The movement of particles from an area of high concentration to an area of low concentration.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.