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Major events and diversity of cells. Know the people Robert Hooke: named cells “cells” Anton van Leeuwenhoek: living cells, bacteria and protozoa Matthias.

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Presentation on theme: "Major events and diversity of cells. Know the people Robert Hooke: named cells “cells” Anton van Leeuwenhoek: living cells, bacteria and protozoa Matthias."— Presentation transcript:

1 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 (mm 3 ) increases, surface area (mm 2 ) does not increase as quickly. This limits how big the cell can get, making cells remain soooo small Need more explanation??? Click HEREHERE

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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