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Section 7.1-7.2

TermDefinition
Cell The basic units of lliving organisms
Cell theory All organisms are composed of one or more cells The cell is the basic unit of structure and organization of organisms All cells come from preexisting cells
Compound light microscope Uses a series of llenses to magnify object in steps
Electron microscope Uses a beam of electrons instead of light to magnify objects
Eukaryote Contain membrane bound organelles
Nucleus The central membrane bound organelle that manages cellular function
Organelle Small specialized structure
Prokaryotes Dont have membrane bound organelles
Fluid mosaic model Model of the plasma membrane
Phospholipid Has a glycerol backbone, two fatty acid chains, and a phosphate group
Plasma membrane The flexible boundary between the cell and its enviroment
Selective permeability A process in which a membrane allows some molecules to pass through while keeping others out
Transport proteins Move needed substances or waste materials through the plasma membrane.
Created by: seth.orr
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