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10 Cards in this Set
- Front
- Back
cell theory
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generalization that all living things are composed of cells, and that cells are the basic unit of structure and function in living things
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micrograph
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photograph of the view through a microscope
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organelle
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part of a cell with a specific function
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plasma membrane
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thin outer boundary of a cell that regulates the traffic of chemicals between the cell and its surroundings
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nucleus
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in an atom, the central core that contains protons and neutrons; in a cell, the part that houses the cell's genetic material in the form of DNA
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cytoplasm
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region of a cell between the nucleus and the plasma membrane
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cell wall
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strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape
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prokaryotic cell
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cell lacking a nucleus and most other organelles
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eukaryotic cell
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cell with a nucleus (surrounded by its own membrane) and other internal organelles
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phospholipid bilayer
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two-layer "sandwich" of molecules that surrounds a cell
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