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26 Cards in this Set

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light microscope
microsocpe that uses a beam of light passing through 1 or more lenmicroscope that focuses ses to magnify an image
electron microscope
microscope that foucuses a beam of electrons on an object to form an enlarged image
magnification
enlargment or enlarging of an image
resolutionn
in microsocpes, the measure of the clarity of an image
scanning tunneling microscope
microscope that measures differnences in volatage of electrons leaving the surface of an object and creates a three dimesnional image of the object; can be used to study living organisms
cell theroy
principle that states that all organisims are made of one or more cells that arise from other cells
cell membrane
lipid bilayer with embedded protiens that enclose the cytoplasm; essential to a cells cytoplasm; also called the plasma membrane
cytoploasm
the interior of a cell
cytoskeleton
cytoplasmic netwrok of protien filiment that plays an essential role in the cells movement, shape, and division
ribosome
organelle on which protiens are made
prokaryote
single- celled organism without a nucleus; bacterial cell
cell wall
the structure that surrounds the cell membrane and provides support fo the cell
flagellum
threadlike structure that grows out of a cell and enables it to move
eukaryote
organism whose cells have a nucleus enclosed by a membrane
nucleus
organelle that houses the DNA of eukaryote cells
organelle
structure in eukaryotic cells that has a specialized function
cilium
in cells, one hairlike structure in tightly packed rows that are used ofr movement
phospholipid
lipid molecule in all membranes of a cell
lipid bilayer
foundation of a cell membrane;composed of two layers of phospholipids
endoplasmic reticulum
cell membranes in the cytolasm that transport substances made by the cell
vesicle
membrane enclossed sac in a cells interior
golgi- apparatus
organelle that packages an distributes molocules produced by a eukaryotic cell
lysosome
organelle in a eukaryotic cell that contains digestive enzymes
mitochondrion
organnele that produces much of the ATP made by the eukaryotic cell
chloroplast
organelle that uses ligtht energy to make carbohydrates from carbon- dioxide and water
central vacuole
membrane bound cavity in plant cells used for storage