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Cell History

Cell History. Major events and diversity of cells. Know the people. Robert Hooke: named cells “cells” Anton van Leeuwenhoek: living cells, bacteria and protozoa Matthias Schleiden : plants have cells Theodore Schwann: animals have cells Rudolf Virchow: cells come from existing cells

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Cell History

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  1. Cell History Major events and diversity of cells

  2. Know the people • Robert Hooke: named cells “cells” • Anton van Leeuwenhoek: living cells, bacteria and protozoa • Matthias Schleiden: plants have cells • Theodore Schwann: animals have cells • Rudolf Virchow: cells come from existing cells • Three scientists for cell theory

  3. Cell Diversity: Size (A.) • Size is limited by: • SURFACE AREA TO VOLUME RATIO • As volume (mm3) increases, surface area (mm2) does not increase as quickly. This limits how big the cell can get, making cells remain soooo small • Need more explanation??? Click HERE

  4. Light and Electron Microscope • Light Microscope • Electron Microscope Notice a different between the two microscopes?

  5. Cell Diversity: Shape (B.) • Structure (shape) reflects function • Nerve Cell: • Skin Cell: • Blood Cell:

  6. Cell Diversity: Internal Organization (C.) • Organelle: component of the cell that has a specific function for cell survival • Eukaryote: YOU are a eukaryote (pun is intended) • cells that contain a nucleus(all animals and plants) • Prokaryote: cells that do not have a nucleus (protists, bacteria)

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