Terms : Hide Images
| 8033636304 | plasma membrane | Controls the passage of materials in and out of the cell. |  | 0 |
| 8033636305 | phospholipid | Molecule that forms a double-layered cell membrane. |  | 1 |
| 8033636306 | fluid mosaic model | Model that describes the arrangement and movement of molecules that make up a cell membrane. |  | 2 |
| 8033636307 | semipermeable | Condition allowing some, but not all, materials to cross a membrane. |  | 3 |
| 8033636308 | receptor | Protein that detects a signal molecule and performs an action in response. |  | 4 |
| 8033636309 | concentration gradient | Difference in concentration of a substance from one place to another. |  | 5 |
| 8033636310 | osmosis | Diffusion of water molecules across a semipermeable membrane. |  | 6 |
| 8033636311 | Things that need help getting through a membrane | Large molecules, polar molecules, ions | 7 | |
| 8033636314 | hydrophilic | "water-loving" phosphate ends of the phospholipid oriented towards the outside of the membrane |  | 8 |
| 8033636315 | hydrophobic | "water-fearing" fatty acids ends of the phospholipid oriented towards the interior of the cell membrane |  | 9 |
| 8033636317 | polar molecules | unable to move through the cell membrane by diffusion | 10 | |
| 8033636318 | channel proteins (transport proteins) | act as a channel for water soluble molecules to pass by facilitated diffusion |  | 11 |
| 8033636319 | peripheral proteins | on the surface of the cell membrane and function to anchor cytoskeleton |  | 12 |
