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cha[ter 7 vocabulary

TermDefinition
cell basic unit of all organisms.
cell theory the theory that all organisms are composed of one or more cells.
compound light microscope instrument that uses light and a series of lenses to magnify objects.
electron microscope instrument that uses a beam of electrons to magnify objects.
eukaryote unicellular or multicellular organisms.
nucleus positively charged center of a atom.
organelle membrane-bound structure with particular functions within eukaryote cells.
prokaryote unicellular organisms like bacteria.
fluid mosaic model structural model of the plasma membrane where molecules are free to move.
phospholipid lipids with an attached phosphate group.
plasma membrane flexible boundary between the cell and its enviornment.
selective membrane feature of the plasma membrane that maintains homeostasis.
transport proteins proteins that span the plasma membrane.
cell wall rigid structure located outside the plasma membrane of plants.
chlorophyll light-absorbing pigment in plants.
chloroplast organelles that catch light energy and convert it to chemical energy.
chromatin
cillia
cytoplasm
cytoskeleton
endoplasmic recticulum
flagella
golgi apparatus
lysosome
microfilament
microtuble
mitochondria
nucleolus
plastid
ribosome
vacuole
Created by: Bswift
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