Cell Membranes

Front

What is the structure of the cell membrane primarily composed of?

Back

Phospholipid Bilayer.

Front

What is the term for the ability of the cell membrane to regulate what enters and leaves the cell?

Back

Selectively Permeable Membrane.

Front

What does the term 'Fluid Mosaic Model' refer to in cell biology?

Back

It describes the cell membrane as a flexible structure with various proteins embedded in or attached to a fluid lipid bilayer.

Front

What does 'Hydrophilic' mean?

Back

Water Loving; substances that are attracted to water.

Front

What does 'Hydrophobic' mean?

Back

Water Fearing; substances that repel water.

Front

How many layers make up the lipid bilayer of the cell membrane?

Back

2 layers.

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 homeostasis in the context of cell membranes?

Back

The maintenance of a stable internal environment within the cell.

Front

What is the function of cholesterol in the cell membrane?

Back

It helps to stabilize the membrane's fluidity.

Front

What is the significance of membrane fluidity?

Back

It allows for the movement of materials and the functioning of membrane proteins.