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26 Cards in this Set
- Front
- Back
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Light microscope
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light passes through one or more lenses to produce an enlarged image of a specimen
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Electron microscope
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forms an image of a specimen using a beam of electrons rather than light
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magnification
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the ability to make an image appear larger than it's actual size
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resolution
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a measure of the clarity of an image
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scanning tunneling microscope
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uses a needle like probe to measure differences in voltage
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eukaryote
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An organism whose cells have a nucleus
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cell theory
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the observations of schleiden, schwann, and vichow
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cell membrane
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an outer boundary of a cell
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cytoplasma
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the cell interior
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cytoskeleton
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a system of microscopic fibers in a cell
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ribosome
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the cellular structures on which proteins are made
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prokaryote
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a single celled organism that lacks a nucleus and other internal parts
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cell wall
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wall that surrounds the cell membrane that provides structure and support
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nucleus
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an internal compartment that houses the cell's DNA
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flagellum
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long, threadlike structures that potrude from the cell's surface and enable movement
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organelle
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a structure that carries out specific activities in a cell
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cilium
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potrude from the surface of some eukaryotic cells
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phospholipid
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a lipid made of two phosphate groups and a fatty acid
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lipid bilayer
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the double layer in which phospholipids are arranged
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endoplasmic reticulum
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an extensive sytem of internal membranes that move proteins and oher substances through the cells
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vesicle
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a small membrane-bound sac that transports substances in cells
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golgi apparatus
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a set of flattened, membrane-bound sacs that serves as the packaging and distribution center of the cell
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lysosome
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small sperical organelles that contain the cells digestive enzymes
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mitochondrion
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an organelle that harvests energy from organic compunds to make ATP, the main currency of cells
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chloroplast
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organelles that use light energy to make carbohydrates from carbon dioxide and water
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central vacuole
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a large membrane bound space in a plant cell
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