The Plasma Membrane

Front

What are the two parts of a phospholipid?

Back

Hydrophilic Head, Hydrophobic Tail

Front

What controls the passage of materials inside and outside of the cell?

Back

Cell Membrane

Front

What is the term used to describe when some molecules can pass through a membrane and others cannot?

Back

Selective Permeability

Front

What does permeable mean?

Back

Things can pass through

Front

What does 'water fearing' refer to?

Back

Hydrophobic

Front

What is the main function of the plasma membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the structure of the plasma membrane primarily made of?

Back

Phospholipids and proteins.

Front

What is the role of cholesterol in the plasma membrane?

Back

To maintain fluidity and stability of the membrane.

Front

What does hydrophilic mean?

Back

Water loving; it interacts well with water.

Front

What is diffusion?

Back

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