Cell Membrane Structure

Front

What does it mean for a membrane to be semi-permeable?

Back

A semi-permeable membrane allows certain substances to pass through while blocking others.

Front

Where are the hydrophobic tails located in the cell membrane?

Back

The hydrophobic tails are located on the inside of the membrane.

Front

Where are the hydrophilic heads located in the cell membrane?

Back

The hydrophilic heads are located on the outside of the membrane.

Front

How many layers thick is the cell membrane?

Back

The cell membrane is 2 layers thick.

Front

True or False: All cells are surrounded by cell membranes.

Back

True

Front

What are the two main components of phospholipids?

Back

Phospholipids consist of a hydrophobic tail and a hydrophilic head.

Front

What is the primary function of the cell membrane?

Back

The primary function of the cell membrane is to protect the cell and regulate what enters and exits.

Front

What is the fluid mosaic model?

Back

The fluid mosaic model describes the structure of the cell membrane as a mosaic of various components that move fluidly.

Front

What role do proteins play in the cell membrane?

Back

Proteins in the cell membrane assist in transport, communication, and structural support.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to stabilize the cell membrane's fluidity.