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Chapter 2- Lesson 3
Moving Cellular Material
| Term | Definition |
|---|---|
| active transport | movement of substances through a cell membrane using the cell’s energy |
| diffusion | movement from an area of higher concentration to an area of lower concentration |
| endocytosis | process during which a cell takes in a substance by surrounding it with the cell membrane |
| exocytosis | process during which a cell’s vesicles release their contents outside the cell |
| facilitated diffusion | when molecules pass through a cell membrane using transport proteins |
| osmosis | diffusion of water molecules only through a membrane |
| passive transport | movement of substances through a cell membrane without using energy |