Cell Vocabulary Basics

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Cell

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The basic structural, functional, and biological unit of all known living organisms.

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Tissue

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A group of cells that work together to perform a specific function.

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Macromolecule

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A large complex molecule, such as proteins, nucleic acids, carbohydrates, and lipids.

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Molecule

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A group of atoms bonded together, representing the smallest fundamental unit of a chemical compound.

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Atom

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The basic unit of a chemical element.

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Organ

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A part of an organism that is typically self-contained and has a specific vital function.

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Organ System

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A group of organs that work together to perform one or more functions.

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Organism

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An individual animal, plant, or single-celled life form.

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Organelle

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A specialized subunit within a cell that has a specific function.

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Prokaryote

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A unicellular organism that lacks a membrane-bound nucleus.