Cell Membrane Structure

Front

What surrounds all cells?

Back

Cell membranes.

Front

How many layers thick is the cell membrane?

Back

2 layers.

Front

What role does cholesterol play in the cell membrane?

Back

Cholesterol controls membrane fluidity and rigidity.

Front

What is the primary component of the cell membrane?

Back

Lipids.

Front

Where do peripheral proteins sit in relation to the cell membrane?

Back

Atop/outside of the cell membrane.

Front

What is the structure of the cell membrane commonly referred to as?

Back

Fluid mosaic model.

Front

What are the two main types of proteins found in the cell membrane?

Back

Integral proteins and peripheral proteins.

Front

What is the function of integral proteins?

Back

They span the membrane and assist in transport and communication.

Front

What is the role of carbohydrates in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is the significance of the semi-permeable nature of the cell membrane?

Back

It allows selective passage of substances in and out of the cell.