8661400601 | endomembrane system | A network of membranes inside and around a eukaryotic cell, related either through direct physical contact or by the transfer of membranous vesicles. | ![]() | 0 |
8661400602 | dialysis | The diffusion of small solutes through a selectively permeable membrane. | 1 | |
8661400603 | turgor pressure | The pressure inside of a cell as a cell pushes itself against the cell wall. | 2 | |
8661400604 | plasmolysis | This happens when a cell shrinks inside its cell wall while the cell wall remains intact. | ![]() | 3 |
8661400605 | flaccid | This happens when water moves, but the amount within the cell is constant; no pressure builds. | ![]() | 4 |
8661400606 | cytolysis | This happens when a cell swells until pressure bursts it, resulting in cell death. | ![]() | 5 |
8661400607 | crenation | This happens when a cell shrinks and shrivels; can result in cell death if severe. | ![]() | 6 |
8661400608 | water potential | The physical property predicting the direction in which water will flow, governed by solute concentration and applied pressure. | ![]() | 7 |
8661400609 | solute potential | This measurement has a maximum value of 0; it decreases as the concentration of a solute increases. | ![]() | 8 |
8661400610 | pressure potential | This measurement has a minimum value of 0 (when the solution is open to the environment); it increases as pressure increases. | ![]() | 9 |
8661400611 | fluid mosaic model | Structural model of the plasma membrane where molecules are free to move sideways within a lipid bilayer. | ![]() | 10 |
8661400612 | integral proteins | proteins that are permanently attached to the cell membrane | ![]() | 11 |
8661400613 | transmembrane proteins | Integral proteins that span the membrane. | ![]() | 12 |
8661400614 | peripheral proteins | proteins that temporarily associate with a membrane; are not embedded in the lipid bilayer, are loosely bound to surface of membrane | ![]() | 13 |
8661400615 | cell-cell recognition | The function of membrane proteins in which some glycoproteins serve as ID tags that are recognized by membrane proteins of other cells. | ![]() | 14 |
8661400616 | intercellular joining | The function of membrane proteins in which membrane proteins of adjacent cells hook together, as in gap junctions or tight junctions. | ![]() | 15 |
8661400617 | glycolipids | Membrane carbohydrates that are covalently bonded to lipids. | ![]() | 16 |
8661400618 | glycoproteins | Membrane carbohydrates that are covalently bonded to proteins. | ![]() | 17 |
8661400619 | transport protein | A membrane protein that has transports certain molecules or ions through the cell membrane | ![]() | 18 |
8661400620 | channel protein | A transport protein that has a channel that allows passage of certain molecules or ions use | ![]() | 19 |
8661400621 | aquaporin | A transport protein that facilitates the passage of water through cell membranes | ![]() | 20 |
8661400622 | carrier protein | A transport protein that binds molecules and changes shape to shuttles them across the membrane | ![]() | 21 |
8661400623 | tonicity | The ability of a solution to cause a cell to gain or lose water; depends partly on concentration of nonpenetrating solutes relative to inside of cell. | ![]() | 22 |
8661400624 | osmoregulation | The control of water balance. | 23 | |
8661400625 | turgid | A cell with a cell wall that has a reasonable amount of pressure but is healthy. | ![]() | 24 |
8661400626 | cotransport | The coupling of the "downhill" diffusion of one substance to the "uphill" transport of another against its own concentration gradient. | ![]() | 25 |
8661400627 | phagocytosis | Process in which extensions of cytoplasm surround and engulf large particles and take them into the cell. | ![]() | 26 |
8661400628 | pinocytosis | A type of endocytosis in which the cell "gulps" droplets of fluid into tiny vesicles. | ![]() | 27 |
8661400629 | receptor-mediated endocytosis | A type of endocytosis in which the cell acquires bulk quantities of specific substances, even though they may not be very concentrated in the extracellular fluid. | ![]() | 28 |
AP Biology: Membranes & Transport NEW Flashcards
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