Membrane Transport

Front

What is the state called when both inside and outside of a cell have the same amount of water?

Back

Equilibrium

Front

During osmosis, what direction does water move?

Back

Water moves from high to low concentration.

Front

Which cell organelle/structure is responsible for allowing materials in and out of the cell?

Back

Cell membrane.

Front

What are the two types of cell transport?

Back

Passive and Active.

Front

What is osmosis?

Back

The movement of water across a selectively permeable membrane from an area of high water concentration to an area of low water concentration.

Front

What is diffusion?

Back

The movement of molecules from an area of high concentration to an area of low concentration.

Front

What is passive transport?

Back

The movement of substances across a cell membrane without the use of energy.

Front

What is active transport?

Back

The movement of substances against their concentration gradient, requiring energy.

Front

What role do proteins play in membrane transport?

Back

Proteins can act as channels or carriers to facilitate the movement of substances across the cell membrane.

Front

What is a selectively permeable membrane?

Back

A membrane that allows certain substances to pass while blocking others.