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Cells Transport

TermDefinition
Homeostasis Maintaining stable internal conditions or balance for not only your individual cells, but for your entire body.
Diffusion The process of allowing materials into and out of the cell without using energy.
Osmosis The specific name given to the diffusion of water into and out of the cell.
Passive Transport The process of allowing materials into and out of your cells without using energy. Examples: diffusion, facilitated diffusion and osmosis.
Active Transport The process of bringing materials into and out of your cell that are too large for passive transport, therefore this process requires energy or ATP.
Facilitated Diffusion The process of allowing materials into and out of the cell without using energy, however the assistance of a protein channel is required.
Selectively permeable membrane A characteristic of the cell membrane, it only allows some materials into an out of the cell.
Bulk transport Endocytosis & Exocytosis-allowing large amounts or extra large particles into and out of the cell using energy and vacuoles.
ATP Energy that the cell uses to open and close protein channels to allow materials into and out of the cell
Tonicity Description of how water moves in differing concentrations. Examples: Isotonic, Hypertonic, Hypotonic
Solution A mixture of solute and solvent. Example: sugar water
Solute Something that is mixed into a solvent to create a solution. Example: sugar in a sugar water solution.
Solvent The liquid that solute are placed into to create a solution. Example: the water in a sugar water solution.
Isotonic solution A solution that has an equal amount of solute moving into and out of the cell so that the cell maintains its shape.
Hypertonic solution A solution that contains more solute than inside the cell.
Hypotonic solution A solution that contains less solute than inside the cell.
Created by: DrMacKay
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