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26 Cards in this Set

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microscope that uses a beam of light passing through one or more lenses to magnify an object
light microscope
microscope that focuses a beam of electrons on an object to form an enlarged image
electron microscope
enlargement or enlarging of an image
magnification
in microscopes, a measure of the clarity of an image
resolution
- microscope that measures differences in voltage of electrons leaving the surface of an object that creates a three-dimensional image of the object; can be used to study living organisms
scanning tunneling microscope
principle that states all organisms are made of one or more cells that arise from other cells
cell theory
lipid bilayer with embedded proteins that encloses the cytoplasm; essential to the cell’s cytoplasm; also called the plasma membrane
cell membrane
the interior of a cell
cytoplasm
cytoplamic network of protein filaments that plays an essential role in cell movement, shape, and division
cytoskeleton
organelle on which proteins are made
ribosome
single-celled organism without a nucleus; bacterial cell
prokaryote
the structure that surrounds the cell membrane and provides support for the cell
cell wall
threadlike structure that grows out of a cell and enables it to move
flagellum
organism whose cells have a nucleus enclosed by a membrane
eukaryote
organelle that houses the DNA of eukaryotic cells
nucleus
structure in eukaryotic cells that has a specialized function
organelle
in cells, one hair like structure in tightly packed rows that are used for movement
cilium
lipid molecule in all membranes of a cell
phospholipid
foundation of cell membranes; composed of two layers of phospholipids
lipid bilayer
cell membranes in the cytoplasm that transport substances made by the cell
endoplamic reticulum
membrane-enclosed sac in a cell’s interior
vesicle
organelle that packages and distributes molecules produced by a eukaryotic cell
golgi apparatus
organelle in a eukaryotic cell that contains digestive enzymes
lysosome
organelle that produces much of the ATP made by a eukaryotic cell
mitochondrion
organelle that uses light energy to make carbohydrates from carbon dioxide and water
chloroplast
membrane-bound cavity in plant cells used for storage
central vacuole