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Exploring Early Scientists’ Cell Discoveries in Microscopy and Theory

This comprehensive guide delves into the crucial contributions of Anton van Leeuwenhoek, Robert Hooke, Matthias Schlieden, Theodor Schwann, Rudolf Virchow, and the advancement of Cell Theory. Discover the origins of the first compound light microscope, the term “cell”, and the fundamental principles that shaped modern cell biology. Learn about the types of cells, multicellularity, and the distinction between prokaryotic and eukaryotic cells. Uncover answers to key historical questions and delve into the significance of the cell theory in biology.

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Exploring Early Scientists’ Cell Discoveries in Microscopy and Theory

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Presentation Transcript

  1. Early Scientists’ Contributions

  2. Anton van Leeuwenhoek • First compound light microscope

  3. Robert Hooke • Coined the term “cell”

  4. Matthias Schlieden • All plants are made of cells

  5. Theodor Schwann • All animals are made of cells

  6. Rudolf Virchow • Cells can only arise from pre-existing cells

  7. Cell Theory • The cell is the basic unit of structure. • The cell is the basic unit of function. • All cells arise from pre-existing cells.

  8. Types of Cells • Organisms (living things) can be either multicellular or unicellular. Multicellular means made of many cells. Unicellular means made of one cell. • Cells may be either prokaryotic or eukaryotic. Prokaryotic cells do not have a nucleus; eukaryotic cells do have a nucleus.

  9. Questions... • Who used the first microscope? • Who said that plants were made of cells • Who coined the term “cell”? • Who said that all animals were made of cells? • Who said that cells must come from existing cells?

  10. State the cell theory... • The cell is the basic unit of structure. • The cell is the basic unit of function. • All cells arise from pre-existing cells.

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