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3 Cells

Chapter 3 Terms (Berean)

TermDefinition
Plasma membrane A semi-permeable membrane that surrounds all cells.
Ribosome A two-part structure in all cells where proteins are synthesized.
Pathogen An organism that causes disease.
Flagellum A slender protein structure used by many cells to move around.
Diffusion Movement of a solute from an area of high concentration to an area of low concentration.
Osmosis Movement of a solvent across a semi-permeable membrane from an area where the solute concentration is low to an area where the solute concentration is high.
Endocytosis The process by which cells take in a substance by surrounding it with the plasma membrane and making it a vesicle that holds the substance.
Exocytosis The process by which a substance in a vesicle is released into the cell’s environment by fusing with the plasma membrane.
Aaerobes Organisms that use oxygen in their cellular respiration.
Anarobes Organisms that do not use oxygen in their cellular respiration.
Endosymbiosis The idea that eukaryotes arose as a result of one prokaryote engulfing others.
Created by: BiologyHaupt
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