Cell Membrane Structure and Transport

Front

What is the structure that surrounds and protects the cell?

Back

Cell Membrane

Front

What type of solution has the same concentration of solutes as the cell's interior?

Back

Isotonic

Front

What type of solution has a lower concentration of solutes than the cell's interior?

Back

Hypotonic

Front

What type of solution has a higher concentration of solutes than the cell's interior?

Back

Hypertonic

Front

What is the primary macromolecule that makes up the cell membrane?

Back

Lipids

Front

What is the term for the part of the cell membrane that repels water?

Back

Hydrophobic region

Front

What is the function of proteins embedded in the cell membrane?

Back

Transport molecules across the membrane

Front

What happens to a cell placed in a hypertonic solution?

Back

It loses water and shrinks.

Front

What is the process called when molecules move from an area of higher concentration to an area of lower concentration?

Back

Diffusion

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain fluidity and stability of the membrane.