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 up of cells, 2) Cells are the basic unit of life, and 3) All cells come from pre-existing cells.

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Who is Robert Hooke?

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Robert Hooke was a 17th-century scientist known for his work in microscopy and for coining the term 'cell' after observing cork under a microscope.

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What improvements were essential for the development of cell theory?

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Improvements in the microscope were essential for the development of cell theory, allowing scientists to observe cells more clearly.

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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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Why did Robert Hooke use the term 'cell'?

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Robert Hooke used the term 'cell' because the chambers he observed in cork resembled the small rooms that monks lived in, called cells.

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Who contributed to the third part of the cell theory?

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Rudolf Virchow contributed to the third part of the cell theory, which states that all cells come from pre-existing cells.

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What did Matthias Schleiden contribute to cell theory?

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Matthias Schleiden proposed that all plants are made of cells, contributing to the first part of cell theory.

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What did Theodor Schwann contribute to cell theory?

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Theodor Schwann proposed that all animals are made of cells, which helped establish the idea that cells are the building blocks of all living organisms.

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What is the function of a microscope?

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A microscope is an instrument that magnifies small objects, allowing scientists to observe cells and other tiny structures.

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What are prokaryotic cells?

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