Cell Membrane: Structure and Function

Front

What are the two parts of a phospholipid called?

Back

Hydrophilic Head, Hydrophobic Tail

Front

What does 'water fearing' refer to?

Back

Hydrophobic

Front

What forms the two layers of the cell membrane?

Back

Phospholipids

Front

What is a function of the cell membrane?

Back

Regulates the movement of materials into and out of the cell.

Front

What is the term for a molecule that has a polar head region and a hydrophobic tail region?

Back

Amphipathic

Front

What is the primary structure of the cell membrane?

Back

A phospholipid bilayer.

Front

What role do proteins play in the cell membrane?

Back

They assist in transport, act as receptors, and provide structural support.

Front

What is the term for the movement of substances across the cell membrane without energy?

Back

Passive transport.

Front

What is the difference between hydrophilic and hydrophobic substances?

Back

Hydrophilic substances are attracted to water, while hydrophobic substances repel water.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to maintain fluidity and stability of the membrane.