4B Cell Transport

Front

The amount of molecules in a given space.

Back

concentration

Front

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

Back

Diffusion

Front

Cells use energy to move materials across a membrane (low to high concentration). Options: Active transport, Passive transport, Diffusion, Osmosis

Back

Active transport

Front

Cells transport material across a cell membrane without using energy (high to low concentration)

Back

Passive transport

Front

Movement of particles from high to low concentration.

Back

Passive Transport

Front

Osmosis is a form of ______________.

Back

Passive Transport

Front

The diffusion of WATER across a semi-permeable membrane is

Back

osmosis

Front

Back

Active Transport

Front

Active transport requires

Back

energy

Front

How does a cell maintain homeostasis?

Back

Regulates what enters and leaves the cell