Cell Membrane: Structure and Function

Front

What type of cellular transport requires no energy?

Back

Passive Transport

Front

What are the two parts of a phospholipid called?

Back

Hydrophilic Head and Hydrophobic Tail

Front

What does 'water fearing' refer to?

Back

Hydrophobic

Front

What forms the two layers of the cell membrane?

Back

Phospholipids

Front

What prevents the fatty acid tails in the plasma membrane from sticking together?

Back

Cholesterol

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and exits.

Front

What is the role of proteins in the cell membrane?

Back

Proteins assist in transport, act as receptors, and provide structural support.

Front

Define 'Hydrophilic'.

Back

Substances that are attracted to water and can dissolve in it.

Front

What is the significance of cholesterol in the cell membrane?

Back

Cholesterol maintains membrane fluidity and stability.

Front

What is the difference between active and passive transport?

Back

Active transport requires energy to move substances against their concentration gradient, while passive transport does not.