Cell Theory Flashcardzizz

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What is the cell theory?

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The cell theory states that all living organisms are composed of cells, cells are the basic unit of life, and all cells arise from preexisting cells.

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Who is credited with the development of the cell theory?

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The cell theory was developed by multiple scientists, including Schleiden, Schwann, and Virchow, not just Hooke.

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What did Robert Hooke discover when he looked at cork under a microscope?

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Robert Hooke discovered small chambers that he named 'cells'.

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What is the significance of the statement 'cells come from other preexisting cells'?

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This statement emphasizes that new cells are produced through the division of existing cells, which is a fundamental principle of biology.

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What are multicellular organisms made of?

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Multicellular organisms are made of multiple cells that work together to perform various functions.

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What is the basic unit of life according to cell theory?

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The basic unit of life is the cell.

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Can cells arise spontaneously according to the cell theory?

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No, according to the cell theory, cells cannot arise spontaneously; they come from preexisting cells.

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What role did Anton van Leeuwenhoek play in cell biology?

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Anton van Leeuwenhoek is known for his work in microscopy and for being the first to observe and describe single-celled organisms.

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What is the difference between unicellular and multicellular organisms?

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Unicellular organisms consist of a single cell, while multicellular organisms are composed of multiple cells.

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What is the importance of the cell membrane?

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The cell membrane is crucial as it regulates what enters and exits the cell, maintaining homeostasis.

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