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15 Cards in this Set

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light microscope
microscope that uses a beam of light passing through one or more lenses to magnify an object
electron microscope
microscope that focuses a beam of electrons on an object to form an enlarged image
magnification
enlargement or enlarging of an image
resolution
in microscopes, a measure of clarity of an mage
scanning tunneling microscope
microscope that measures differences in voltage of electrons lleaving the surface of an object and creates a three dimensional image of the object
cell theory
principle that states all organisms are made of one or more cells that arise from other cells
cell membrane
lipid bilayer with embedded proteins that encloses the cytoplasm
cytoplasm
the interior of a cell
cytoskeleton
cytoplasmic networl of protein filaments that plays an essential role in a cell movement, shape, and division
ribosome
organelle on which proteins are made
prokaryote
single celled organism without a nucleus
eukaryote
organism whose cells have a nucleus enclosed by a membrane
cell wall
the structure that surrounds the cell membrane and supports a cell
flagellum
thread like structure that grows out of a cell and enables it to move
nucleus
organelle that houses the DNA of eukarotic cells