Ch 2 Les 3-4 Vocab

Front

Part of the cell that controls substance movement?

Back

cell membrane

Front

Characteristic of a cell membrane that controls material entry/exit:

Back

Semi-permeable.

Front

Diffusion

Back

Molecules move from high to low concentration.

Front

Osmosis

Back

Diffusion of water through a semi-permeable membrane from high to low concentration.

Front

Osmosis is the movement of _____ across a membrane.

Back

water

Front

High concentration area refers to:

Back

Tightly packed together.

Front

Passive Transport means

Back

No energy is used

Front

Not a form of passive transport?

Back

Active transport

Front

Type of passive transport using a transport protein?

Back

Facilitated diffusion

Front

Movement of molecules from high to low concentration is

Back

all of the above