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Biology Chap 3B

Horizontales
Movement of molecules across a cellular membrane along a contration gradient
Process in which excessive water loss from cell (due to dangerous hypertonicity) causes cell membrane to separate from cell and may lead to cell death.
Range of environmental conditions in which cells may survive
Ideal environmental conditions for cellular health
Molecules moved across the cell membrane with help of imbedded proteins.
Bursting of cell as a result of severe hypotonic solution outside of cell membrane (explosive osmosis)
The process where cells move fluids from another cell into itself (cellular drinking)
Process where vesicles or vacuoles in the cytoplasm of a cell fuse with the cell membrane to expel their contents outside of the cell.
Verticales
Specialized molecules within cell membranes to facilitate molecules moving across
Solution outside the cell has a lower concentration of solutes than inside the cell
State which cells may slip into with lower metabolic rate, and reduced interaction with its environment when extracellular conditions are undesirable or potentially harmful (plant cells to prevent freezing, bacteria to prevent desiccation as examples)
Conditional boundary beyond which cells will not survive
Process of one cell engulfing another cell (cellular eating)
Movement of molecules across a cellular membrane against a concentration gradient and thus requires ATP/energy
The official term for the "process" cells use to transport substances in bulk across the membranes and into the cell.
Concentration of solutes outside of cell equals the concentration of solutes inside the cell.
Solution outside the cell has a higher concentration of solutes than inside the cell