Cell Biology Concepts

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Cell

Back

The basic unit of life.

Front

Cell Organization

Back

The arrangement of cells into tissues, organs, and systems.

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Growth

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The process of increasing in size or number.

Front

Development

Back

The process of change and maturation over time.

Front

Cell Theory

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The theory that all living things are composed of cells, and that cells are the basic unit of life.

Front

Prokaryotes

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Single-celled organisms without a nucleus.

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Eukaryotes

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Organisms whose cells contain a nucleus.

Front

Respond to Stimuli

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The ability of an organism to react to changes in its environment.

Front

Homeostasis

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The maintenance of a stable internal environment in an organism.