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8 Cards in this Set

  • Front
  • Back
Cell
Basic unit of all organisms

All living things are composed of cells
Cell Theory
The theory that
-all organisms are composed of cells
-the cell is the basic unit of the
organization of living organisms
-ALL cells come from preexisting
cells
compound light microscope
instrument that uses visible light and a series of lenses to magnify objects in steps

can magnify an object up to 1500 times its original size
electron microscope
instrument that uses a beam of electrons instead of natural light to magnify structures up to 500 000 times its actual size

allows scientist to see structures within a cell
eukaryote
unicellular of multicellular organisms such as yeast, plants, and animals composed of eukaryotic cells which contain a true nucleus and
membrane-bound organelles
nucleus
in eukaryotic cells, the centeral membrane-bound organell that manages cellular functions and contains DNA
organelle
membrane-bound structure within eukaryotic cells
prokaryote
unicellular organisms composed of prokaryotic cells that lack internal membrane-bound structures

ex.: bacteria