Cell membrane

Front

What role do carbohydrates play in the cell membrane?

Back

Carbohydrates allow cells to recognize each other and act like ID tags.

Front

What is NOT a characteristic of the cell membrane?

Back

The cell membrane does not contain digestive enzymes.

Front

What type of energy does passive transport use?

Back

Passive transport uses no energy.

Front

What is the primary function of the plasma membrane?

Back

The primary function of the plasma membrane is to regulate what enters and leaves the cell.

Front

What does hydrophilic mean?

Back

Hydrophilic means water-loving.

Front

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

Back

The cell membrane is primarily composed of a phospholipid bilayer.

Front

What is the difference between passive and active transport?

Back

Passive transport does not require energy, while active transport requires energy to move substances against their concentration gradient.

Front

What are membrane proteins and their functions?

Back

Membrane proteins assist in transport, act as enzymes, and serve as receptors for signaling.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol helps to maintain membrane fluidity and stability.

Front

What is the fluid mosaic model?

Back

The fluid mosaic model describes the cell membrane as a flexible layer made of lipid molecules with embedded proteins.