Cell
Basic unit of structure and organization of all living organisms.
Cell Theory
The theory that states all organisms are made of one or more cells, cells are the basic unit of life, and all cells come from other cells.
Plasma Membrane
flexible, selectively permeable boundary that helps control what enters and leaves the cell
Organelle
specialized internal cell structure that carries out specific cell functions such as protein synthesis and energy transformation
Eukaryotic Cells
unicellular organism with membrane-bound nucleus and organelles; generally larger and more complex than a prokaryotic cell
Nucleus
in eukaryotic cells, the central membrane-bound organelle that manages cellular functions and contains DNA
Prokaryotic Cell
microscopic, unicellular organism without a nucleus or other membrane-bound organelles
Microscope
device that produces magnified images of structures that are too small to see with the unaided eye
Electron microscope
microscope that forms an image by focusing beams of electrons onto a specimen
Compound light microscope
microscope that allows light to pass through a specimen and uses two lenses to form an image
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