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26 Cards in this Set

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