Cell Membrane Structure Review Flashcard

Front

What cell structure helps organisms maintain homeostasis by controlling the substances that may enter or leave cells?

Back

Cell membrane

Front

True or false: Regulating what enters and leaves the cell helps the cell maintain homeostasis.

Back

True

Front

Which letter represents the lipid heads (water-loving) of the cell membrane?

Back

G

Front

What term represents the water-loving region of the membrane?

Back

Hydrophilic

Front

What term represents the water-fearing region of the membrane?

Back

Hydrophobic

Front

What is the primary function of the cell membrane?

Back

To control the movement of substances in and out of the cell.

Front

Define 'homeostasis' in the context of cell biology.

Back

The maintenance of a stable internal environment within a cell.

Front

What are phospholipids and their role in the cell membrane?

Back

Phospholipids are molecules that make up the cell membrane, consisting of hydrophilic heads and hydrophobic tails.

Front

What does 'selectively permeable' mean regarding the cell membrane?

Back

It means the cell membrane allows certain substances to pass while blocking others.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to stabilize the cell membrane's fluidity.