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ORGANISM Self-contained living thing.
CELL Smallest unit of an organism; enclosed by membrane; performs life functions.
EUKARYOTIC CELL Cell with nucleus & membrane-bound organelles.
PROKARYOTIC CELL Cell lacking a nucleus or any other membrane-enclosed organelle.
CELL MEMBRANE Protective layer that surrounds a cell or an organelle.
ORGANELLE Membrane-bound structure inside a cell that performs a specialized function.
NUCLEUS Membrane-bound structure in eukaryotic cells that contains DNA.
DNA Contains information that forms the hereditary material of all cells.
Created by: trauberk