Cell Membrane (structure & function)

Front

What is the primary function of the cell membrane?

Back

To maintain homeostasis by controlling what goes in and out of the cell.

Front

What is the structure of the cell membrane?

Back

The cell membrane is composed of a phospholipid bilayer.

Front

What are the hydrophilic regions of membrane proteins likely to be?

Back

Exposed on the surface of the membrane.

Front

What part of the cell membrane is hydrophilic?

Back

The exterior where the phosphate heads are.

Front

What is another name for the cell membrane?

Back

Plasma Membrane.

Front

What role do cholesterol molecules play in the cell membrane?

Back

They help to stabilize the membrane's fluidity.

Front

What are integral proteins?

Back

Proteins that are embedded in the lipid bilayer and can span across the membrane.

Front

What is the function of glycoproteins in the cell membrane?

Back

They play a role in cell recognition and signaling.

Front

What is the lipid bilayer?

Back

A double layer of phospholipids that makes up the cell membrane.

Front

What is the significance of the fluid mosaic model?

Back

It describes the cell membrane as a flexible structure with various proteins floating in or on the fluid lipid bilayer.