Cell theory

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What is the Cell Theory?

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The Cell Theory states that: 1) All living things are composed of cells, 2) Cells are the basic units of structure and function in living things, 3) All cells come from preexisting cells.

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Who proposed that all animals are made of cells?

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Theodor Schwann proposed that all animals are made of cells.

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What is the basic unit of life?

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The cell is the basic unit of life.

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What does it mean that cells are the basic units of structure and function?

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It means that cells are the smallest units that can perform all life processes.

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What is cell division?

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Cell division is the process by which a parent cell divides into two or more daughter cells.

Front

What is the significance of preexisting cells in cell theory?

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It emphasizes that new cells arise from the division of existing cells, not from non-cellular materials.

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What are prokaryotic cells?

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Prokaryotic cells are simple, single-celled organisms that lack a nucleus, such as bacteria.

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What are eukaryotic cells?

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Eukaryotic cells are complex cells that contain a nucleus and organelles, found in plants, animals, and fungi.

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What is the role of Robert Hooke in cell theory?

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Robert Hooke is known for coining the term 'cell' after observing cork under a microscope.

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What is the difference between living and non-living things in terms of cells?

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Living things are made of cells, while non-living things are not composed of cells.