Cell theory

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What is the Cell Theory?

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The Cell Theory is a fundamental concept in biology that states: 1) All living organisms are composed of one or more cells. 2) The cell is the basic unit of structure and function in organisms. 3) All cells come from pre-existing cells.

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Who is Robert Hooke?

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Robert Hooke was a scientist who is credited with the discovery of cells in 1665 when he observed cork under a microscope.

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Who is Anton van Leeuwenhoek?

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Anton van Leeuwenhoek was a scientist known for his work in microscopy and for being the first to observe living cells, which he called 'animalcules'.

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What are cells often referred to as?

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Cells are often called 'the building blocks of life'.

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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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What is one part of the Cell Theory?

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One part of the Cell Theory is that all organisms are composed of one or more cells.

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What is NOT a part of the Cell Theory?

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Cells spontaneously arise from carbon and nutrients carried in the bloodstream is NOT a part of the Cell Theory.

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Why are rocks not considered living?

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Rocks are not considered living because they are not made of cells.

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What is the basic unit of life?

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The basic unit of life is the cell.

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What do all cells come from?

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All cells come from pre-existing cells.