3.3 Cell Membrane

Front

What forms the channels and pumps in the phospholipid bilayer?

Back

Proteins

Front

What describes the arrangement of the cell membrane as bendable and made of many parts?

Back

The Fluid Mosaic Model

Front

Where would you most likely find water molecules in relation to the cell membrane?

Back

A and C

Front

What type of transport involves moving substances against their concentration gradient using energy?

Back

Active Transport Pump

Front

Which type of biological macromolecule is the main component of the plasma membrane?

Back

Lipid

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate what enters and leaves.

Front

What are phospholipids?

Back

Molecules that make up the cell membrane, consisting of hydrophilic heads and hydrophobic tails.

Front

What role do carbohydrates play in the cell membrane?

Back

They are involved in cell recognition and signaling.

Front

What is the significance of the fluidity of the cell membrane?

Back

It allows for the movement of materials and the flexibility of the cell.

Front

What is facilitated diffusion?

Back

A process that allows substances to cross membranes with the assistance of special proteins.