Cell membrane and cell transport

Front

Diffusion is a form of __________ transport.

Back

Passive

Front

Passive Transport uses ____ energy.

Back

no

Front

Which way would the molecules diffuse to be equal on both sides?

Back

They are already equal. They will move inside and outside equally.

Front

What direction will most of the molecules have to move through diffusion in order to achieve equal concentrations on both sides of the membrane?

Back

To the inside of the cell.

Front

Diffusion occurs when molecules __________.

Back

move from high to low concentration.

Front

What is the primary driving force behind diffusion?

Back

Concentration gradient.

Front

What is osmosis?

Back

The diffusion of water across a selectively permeable membrane.

Front

What type of molecules can easily pass through the cell membrane?

Back

Small, nonpolar molecules.

Front

What is the role of transport proteins in the cell membrane?

Back

To facilitate the movement of substances across the membrane.

Front

What is active transport?

Back

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