Cell Membrane Structure and Function

Front

What is selective permeability?

Back

The ability of a cell membrane to allow only certain molecules to enter or exit the cell.

Front

What are the two parts of a phospholipid?

Back

Hydrophilic Head and Hydrophobic Tail.

Front

Why is the cell membrane important for maintaining homeostasis?

Back

It regulates the internal environment of the cell by controlling what enters and exits.

Front

What forms the two layers of the cell membrane?

Back

Phospholipids.

Front

How is the cell membrane similar to a window screen?

Back

Both allow certain things to pass through while blocking others.

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate the movement of substances in and out.

Front

What role do proteins play in the cell membrane?

Back

They assist in transporting substances across the membrane and serve as receptors.

Front

What is the fluid mosaic model?

Back

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

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to stabilize the membrane's fluidity.

Front

What are integral proteins?

Back

Proteins that are embedded within the cell membrane and can span across it.