Cell Theory

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What is Cell Theory?

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Cell Theory is a fundamental concept in biology that states: 1) All living things are made of cells, 2) Cells are the basic unit of structure and function in living organisms, 3) All cells come from pre-existing cells.

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Who proposed that all cells come from other cells?

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Virchow proposed that all cells come from other cells.

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What is a cell classified as?

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A cell is classified as the basic unit of structure and function of all living organisms.

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Who was the first scientist to identify and name cells?

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Hooke was the first scientist to identify and name cells.

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Who concluded that all living things are made of cells?

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Schwann concluded that animals and all living things are made of cells.

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What is the basic unit of structure and function of organisms?

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The basic unit of structure and function of organisms is the cell.

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What did Leeuwenhoek contribute to cell theory?

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Leeuwenhoek was one of the first to observe living cells using a microscope.

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What is the significance of the cell membrane?

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The cell membrane controls what enters and exits the cell, maintaining homeostasis.

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What are prokaryotic cells?

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Prokaryotic cells are simple, single-celled organisms without 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.