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3.3 Vocab
| Term | Definition |
|---|---|
| Cell membrane | double-layer of phospholipids that forms a boundary between a cell and surrounding that environment and controls the passage of materials into and out of a cell |
| Phospholipid | molecules that forms a double-layered cell membrane; consist of a glycerol, a phosphate group, and two fatty acids |
| Fluid mosaic model | model the describes the arrangements and movement of the molecules that make-up a cell membrane |
| Selective permeability | condition or quality of allowing some, but not all, materials to cross a barrier or membrane |
| Receptor | protein that detects a signal molecule and performs an action in response |