Terms : Hide Images
| 6812089364 | phagocytosis | one cell engulfs a smaller organism and creates a vacuole |  | 0 |
| 6812089380 | peripheral proteins | loosely bound to surface of membrane or integral protein and receive chemical signals |  | 1 |
| 6812089381 | glycolipids | carbohydrate chain attached to a lipid and used for cell-cell recognition |  | 2 |
| 6812089382 | transport proteins | proteins that allow substances that can't diffuse across the membrane, to cross | 3 | |
| 6812089383 | aquaporins | channel protein for water | 4 | |
| 6812089384 | gated channels | facilitated diffusion, has a hydrophilic channel, only transports one substance |  | 5 |
| 6812089385 | passive transport | diffusion of substance across membrane with the concentration gradient without the use of energy | 6 | |
| 6812089386 | osmosis | diffusion of free water across a selectively permeable membrane |  | 7 |
| 6812089387 | tonicity | ability of a surounding solution to cause a cell to lose or gain water | 8 | |
| 6812089388 | isotonic | solution and cell have same concentration |  | 9 |
| 6812089389 | hypertonic | solution is more concentrated than cell so cell loses water |  | 10 |
| 6812089390 | hypotonic | solution is less concentrated than cell so water enters cell and it explodes | 11 | |
| 6812089391 | osmoregulation | controls solute concentrations and water balance | 12 | |
| 6812089392 | turgid | cell in hypotonic solution makes cell swell a little and become very firm (healthy in many plants) |  | 13 |
| 6812089393 | flaccid | plants' cells and surroundings are isotonic so there is no water movement |  | 14 |
| 6812089394 | plasmolysis | cell in a hypertonic solution loses water, pulls away from cell wall, and shrivels |  | 15 |
| 6812089395 | facilitated diffusion | diffusion of polar, hydrophilic molecules through a protein w/o energy |  | 16 |
| 6812089396 | diffusion | diffusion of nonpolar, hydrophobic molecules across membrane |  | 17 |
| 6812089397 | active transport | diffusion against concentration gradient through a protein pump from low to high concentration with the use of energy. | 18 | |
| 6812089398 | sodium potassium pump | active transport where for every three Na+ ions thrown out of cell, two K+ ions are brought in |  | 19 |
| 6812089399 | unsaturated hydrocarbon tails in a membrane... | prevent packing of phospholipids and causes fluidity which allows more flexibility(good) | 20 | |
| 6812089400 | saturated hydrocarbon tails in a membrane... | pack together and increase viscosity making membrane too rigid (bad) | 21 | |
| 6812089401 | proton pump | actively transports H+ ions out of the cell | 22 | |
| 6812089402 | exocytosis | cell secretes molecules by fusing vesicle with membrane |  | 23 |
| 6812089403 | endocytosis | cell takes in large molecules by forming new vesicles out of the membrane |  | 24 |
| 6812089406 | membrane potential | voltage across a membrane | 25 | |
| 6812089407 | pinocytosis | cells pinch in small vesicles, bringing in membrane and extracellular fluids | 26 | |
| 6812089409 | electrochemical gradient | might accentuate or negate concentration of gradient | 27 | |
| 6812089413 | water potential | how likely water is to move from one location to another, is mathematically the sum of pressure potential and solute potential | 28 | |
| 6812416480 | glycoproteins | membrane proteins attached to carbohydrate chains that are used for cell-cell recognition | 29 | |
| 6812436823 | integral proteins | Typically transmembrane proteins with hydrophobic regions that completely span the hydrophobic interior of the membrane. | 30 | |
| 6812496871 | amphipathic | Molecules are said to be this when it has regions that are both hydrophilic and hydrophobic. | 31 | |
| 6812499378 | concentration gradient | A difference in the concentration of a substance across a distance. | 32 | |
| 6812501790 | cotransport | The coupling of the "downhill" diffusion of one substance to the "uphill" transport of another against its own concentration gradient. | 33 | |
| 6812504275 | electrogenic pump | A transport protein that generates voltage across a membrane, causing a net separation in charge. | 34 | |
| 6812508859 | fluid mosaic model | The currently accepted model of cell membrane structure, which envisions the membrane as a mosaic of individually inserted protein molecules drifting laterally in a fluid bilayer of phospholipids. | 35 | |
| 6812512768 | ion channels | channel proteins that transport ions | 36 | |
| 6812514261 | ligand | Any molecule that bonds specifically to a receptor site of another molecule. | 37 | |
| 6812523911 | receptor mediated endocytosis | The movement of specific molecules into a cell by the inward budding of membranous vesicles containing proteins with receptor sites specific to the molecules being taken in; enables a cell to acquire bulk quantities of specific substances. | 38 | |
| 6812527206 | selective permeability | A property of a plasma membrane that allows some substances to cross more easily than others. | 39 |
