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Homeostasis

QuestionAnswer
the movement of molecules from areas of a higher concentration to a lower concentration Diffusion
Process by which cells ingest external fluid, macromolecules, and large particles. Endocytosis
Transport of solutes or fluids Pinocytosis
Movement of large particles or whole cells Phagocytosis
Transports Na+ ions and K+ ions up their concentration gradients. sodium-potassium pump
Lower concentration to higher concentration. active transport
pressure exerted by water inside of cell wall turgor pressure
cells shrink from cell wall, turgor pressure is lost plasmolysis
Passive transport- for molecules that cannot readily diffuse through cell membranes, even when there is a concentration gradient across the membrane. Movement of these molecules assisted by carrier proteins. Facilitated Diffusion
the process by which a substance is released from the cell through a vesicle that transports the subtance to the cell surace and then fuese with the membrane to let the substance out of the cell. exocytosis
water molecules diffuse acros a cell membrane from higher to lower concentration osmosis
solute is less concentrated than cytosol hypotonic
solute is more concentrated than cytosol hypertonic
outside solution and cytosol are same level of concentration. isotonic
organelles that remove water contractile vacuoles
concentration of molecules is the same throughout the space molecules apply equilibrium
difference in concentration of molecules across a distance concentration gradient
higher concentration to lower concentration passive transport
Created by: 100000037275598
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