Cell Membrane and Transport

Front

Something is ___________ ____________ when some molecules can cross the membrane while others cannot.

Back

Selectively (or Semi) Permeable

Front

Which statement best describes the cell membrane?

Back

The protective outer layer that controls what enters and leaves the cell.

Front

What is embedded in the phospholipid bilayer?

Back

Proteins

Front

What type of transport is this?

Back

Facilitated diffusion

Front

What do the brown structures represent?

Back

Channel Proteins

Front

What is the primary function of the cell membrane?

Back

To protect the cell and regulate the movement of substances in and out.

Front

What are phospholipids?

Back

Molecules that make up the cell membrane, consisting of a hydrophilic head and two hydrophobic tails.

Front

What is the role of cholesterol in the cell membrane?

Back

To maintain membrane fluidity and stability.

Front

What is active transport?

Back

The movement of molecules across a membrane against their concentration gradient, requiring energy.

Front

What is osmosis?

Back

The diffusion of water molecules across a selectively permeable membrane.